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Computational appraisal of gender representativeness in popular movies


Gender representation in mass media has long been mainly studied by qualitatively analyzing content. This article illustrates how automated computational methods may be used in this context to scale up such empirical observations and increase their resolution and significance. We specifically apply a face and gender detection algorithm on a broad set of popular movies spanning more than three decades to carry out a large-scale appraisal of the on-screen presence of women and men. Beyond the confirmation of a strong under-representation of women, we exhibit a clear temporal trend towards fairer representativeness. We further contrast our findings with respect to a movie genre, budget, and various audience-related features such as movie gross and user ratings. We lastly propose a fine description of significant asymmetries in the mise-en-scène and mise-en-cadre of characters in relation to their gender and the spatial composition of a given frame.


There is assuredly a long tradition of scholarship in the description of sex roles on mass media of various types: already in her seminal review, Linda Busby (1975) described how instructional material, TV, films, advertising, newspaper, cartoons, and literature have been used since the late 1950s to study gender-related representations such as sexual stereotypes, biases in occupational roles, body staging, marriage, and rape. Back then, she further concluded that “media sex-role studies that have been completed in the 1960s and early 1970s can be used as historical documents to measure future social changes”, emphasizing the need of replicating these analyses at several points in time to capture underlying mutations and trends. As empirical material, such sources provide the opportunity to grasp a certain state of affairs regarding gender representations, together with the intents and conflicts of interest at play in shaping them. Recent reviews of this research (Collins, 2011; Rudy et al., 2010) highlight the ubiquity of gender patterns, most notably the under-representation and sexualization of women, across multiple media and content types, even though some negative results may occasionally be found as well (Kian et al., 2009). Almost a half-century after Busby’s review, the roles of females and males in media and fiction have been a prominent domain of inquiry in content analysis and have been subjected to many analyses based on a sometimes substantial quantity of cultural artifacts (Neuendorf, 2017), including for instance broadcast network programs (Lauzen, 2018), popular movies (Lauzen, 2019; Smith et al., 2019) and recurring TV show characters (Townsend et al., 2019).

Methodologically, this strand of media gender research principally relies upon manual assessments of text, images, and scripts, which occasionally feature complex semantic concepts and possibly subjective interpretations. As a result, these approaches are difficult to scale to a large number of observations: a lot of human coders are required to perform statistical and especially temporal analyses. Some studies do rely on large-scale and automatically collated datasets, for instance through collaborative platforms such as IMDb, the Internet Movie Database, but they are by definition limited to already-available metadata, such as film cast, crew, or budget (Lindner et al., 2015; Yang et al., 2020). The systematic construction and extraction of variables adequate for a given study and a given research question remain a challenge.

Recent advances in artificial intelligence and data science may significantly help in this regard, especially in terms of automated processing of text, image, and video, where current technologies are sometimes capable of competing with humans in a wide array of specialized tasks, including automatic text summarization (Mani, 2001), topic detection (Chaney and Blei, 2012), or translation (Hassan et al., 2018); face recognition (Dhomne et al., 2018, Guo and Zhang, 2019), scene intensity estimation (Kataria and Kumar, 2016), narrative element extraction (Bost et al., 2016; Guha et al., 2015b); or even at the interface of both, text description generation from images (Xu et al., 2015). At the moment, however, these methods have generally been applied on issues that remain quite close to the scientific fields from which they originate: they focus rather on technological than social science applications.

Our contribution explores the possibility of using such advances to the construction of datasets relevant to sex role research. Firstly, we outline a field of inquiry by focusing on cinema, for which we identify a relevant subset of more than 3500 popular movies spanning over 3 decades. We extract a representative set of frames from this dataset and applied machine learning models to detect human faces and infer their gender. We take the extra precaution of evaluating the performance and fairness of these inferences regarding the target categories (female and male), for these models are typically evaluated in all generality and their potential biases may vary with respect to data corpora. Secondly, we devise a metric to appraise women’s presence in movies, the female face ratio (ffr). We compare it with another well-established measure, the Bechdel test. In aggregate, ffr markedly increases over time, to the point of approaching female-male parity. Also, there are significant differences in how its values are distributed for successive temporal periods. This indicates a noticeable mutation in the popular movie-making culture regarding women’s representation. Thirdly, we explore several more sophisticated and experimental capabilities of automatic face detection to analyze how characters of distinct genders are framed on-screen. Interestingly, this yields mostly negative results in the sense that we observe very few variations. We nevertheless exhibit a few significant patterns related to gender-mixed environments.

A few recent academic endeavors have started exploring methodologies of automated visual content analysis in a social science framework. These works have been denoted with a variety of labels. In the context of digital humanities, for instance, the notion of “distant viewing” (Arnold and Tilton, 2019) has been coined by analogy with the famous concept of “distant reading” (Moretti, 2000). The emerging field of so-called “computational media intelligence” (Somandepalli et al., 2021) covers a variety of initiatives with a more technical focus (Guha et al., 2015b, Kataria and Kumar, 2016). In this area, a case study aimed at tracking female participation in the 100 top-grossing Hollywood films over 6 years is notably relevant here (Guha et al., 2015a; Somandepalli et al., 2021), as it introduced algorithms specifically designed to measure the on-screen presence and gender-specific speaking time. In a similar vein, Jang et al. (2019) applied an object detection system on 900 movies to characterize which items were present in association with a face of a given gender, and how often.

Our research belongs to this strand. On the one hand, we rely on a relatively simple and mainstream algorithmic apparatus enabling face detection and gender inference from still frames. In this regard, our contribution is more methodological than technical: we focus particularly on the construction of a sound protocol that pays special attention to a form of criticism prevalent in social sciences regarding the potential biases induced by the use of automated labeling methods, especially when stemming from machine learning approaches (Buolamwini and Gebru, 2018; Crawford and Paglen, 2019). On the other hand, we apply our method on a much larger dataset than has been done so far, and on a much wider period of time. This enables us to originally analyze the temporal evolution of gender representativeness in films over decades.

More broadly, we contend that the systematic application of such techniques could contribute to the formulation of ambitious research questions that would be hardly tractable with only a human workforce. This could furthermore enable the creation of well-documented datasets featuring metadata adapted to sex role research for the community, in order to thoroughly and conveniently reproduce and improve experiments. Tackling this challenge could indeed trigger new fields of interest for both qualitative and quantitative approaches. For instance, this could help to formulate a theoretical understanding of the distribution of representations over the whole spectrum of a specific medium, or focusing on potential outliers in order to unveil their possible contribution to future evolutions.

Dataset and data processing

Corpus scope

Movie studies typically define the corpus scope by relying on box office data as a proxy for movie popularity (e.g., Follows, 2014; Lauzen, 2019; Smith et al., 2019). They essentially outline a selection based on the yearly top-grossing movies over a period of time, i.e., short-term commercial success in movie theaters, which is admittedly related to popularity. Yet popularity relies on complex behaviors: it relates as much to the value given by an individual to the content, as to the value an individual perceives, or anticipates, others will give. Intricate interactions of support, rejection, controversy, advocacy, and imitation come into play to establish a cultural object’s influence (Cillessen and Marks, 2011). Put shortly, attendance alone may not help fully capture movies that are both characteristic of cultural representations and influential in shaping them. In particular, it may discard some content that may qualify as “mainstream” yet did not attain significant box office success.

We thus devised a different approach based on open collaborative platforms such as peer-to-peer file-sharing networks (Cohen, 2003; Vassileva, 2002) or wiki-based knowledge-sharing systems (Rafaeli and Ariel, 2008; Yang and Lai, 2010). These online environments are fueled by interactions between a diverse and critical mass of users. Contributors are incentivized by the effort of others to increase the system’s usefulness by creating and maintaining fashionable resources: they act from a variety of motives, including both the perceived value of the content they provide and the peer recognition that it entails. We argue that the intensity of such collaborative activity defines a broader proxy of content mainstreamness than attendance. However, we also acknowledge that it may be biased toward the notoriously younger population of such online communities and their tastes.

Based on this, we focus on films for which data is available on two significantly distinct types of online platforms: (1) a peer-to-peer file-sharing network, which is one of the major Torrent communities, YIFY (; and (2) a movie-related knowledge-sharing platform, the above-mentioned Internet Movie Database (IMDb,, which comprises records on about 500k movies, mostly stemming from user contributions. We first listed all 13,662 movies made available on YIFY, requiring that at least three people share them (seeders) as of December 2019. We then linked them to their respective record on IMDb, excluding documentaries and animation movies while requiring that key metadata be available: year of release, genres, users rating, parental rating, runtime, budget, and worldwide gross. We find that there are very few movies per year before 1985 (10 on average, no more than 48 for a given year): for the purpose of the temporal analysis, we decide to further focus on the period 1985–2019, wherefrom the yearly number of movies per year is always above 100. This yields a dataset of 3776 movies. The average runtime is 109 min with a standard deviation of 18 min, indicating that we essentially gathered feature films. The budget distribution is broad, with a median of $23m while the first and third quartiles are at $10m and $45m, indicating that we focus on a quite diverse array of movie budgets. The same applies to worldwide gross figures: median $43m, first quartile $11m, third quartile $122m. This further substantiates our approach for constructing a filter that is broader than when focusing on top audience figures only.

Face recognition and gender estimation

The computational extraction of artistic or semantic characteristics of a movie traditionally relies on the extraction of a number of significant images (Guha et al., 2015b; Ko et al., 2019). This is commonly based on keyframes i.e., frames of a movie’s timeline where new shots commence. This method results in better-quality images since keyframes are used as markers for video compression. Also, it likely captures narrative highlights, since a keyframe captures the first state of scenery—arguably an important one— from which the shot unfolds. For one, the previously cited work of Guha et al. (2015a) relied on this approach to downsample movie frames. However, the duration and pace vary very significantly from a shot to the other and are also strongly influenced by shot type, movie genre, and year of production (Cutting and Candan, 2015). Therefore to ensure the representativeness of our sample with respect to what spectators are shown—even more so for the temporal analysis we aim at—we simply extracted frames on a time–frequency basis, similar to what has been done in Jang et al. (2019). Selecting one image every 2 s yielded a collection of more than 12.4 million images.

We processed each of these images with the help of face detection and gender estimation algorithms provided by a common scientific computing software, Wolfram (2020) Mathematica Engine 12.

We eventually detect close to 10 millions faces over more than 6.6 million images, with an average of 2596 (σ = 1090) faces per movie. For every face, the algorithm provides the coordinates of a bounding box, enabling us to take into account both the position and the size of the surface occupied by the face with respect to the frame dimensions. It also provides an estimation of the likely binary gender of each face (male or female).

Both algorithms are built using conventional machine learning methods. Many questions have been raised over the recent years regarding the accuracy and potential bias of predictions based on these techniques, and our approach is no exception. Previous social scientific-oriented research specifically highlighted the issues associated with the construction of the datasets that are used to train machine learning algorithms (Crawford and Paglen, 2019). Put shortly, a dataset of human-labeled pictures is first gathered, such as ImageNet (Deng et al., 2009). Labels correspond to categories of interest that should be learned from this dataset, in order to predict them on any unknown dataset. In our case, these labels include the visible faces (presence and position) and their gender (male or female). Part of this human-labeled dataset is fed to a learning algorithm—such as a neural network—that will initially improvise predictions and then, iteratively, learn from its mistakes, readjusting, and ultimately converging towards better guesses. The learned model is then tested on another part of the dataset to assess if the algorithm managed to generalize well—thereby measuring its performance.

Across the state of the art, both types of algorithms generally reach accuracies well above 90% (Dhomne et al., 2018; Guo and Zhang, 2019). Yet, they also display a strong degree of performance variation depending on the type of dataset at hand and, plausibly, the context and type of images, for instance in medical imagery (McBee et al., 2018; Zech et al., 2018). Movie frames are likely a specific type of data. The work of Buolamwini and Gebru (2018) on designing intersectional benchmarks is also particularly relevant here, in that it highlights how to face detection algorithms perform unevenly when tested on faces of specific genders or skin tones. In any event, we thus need to make sure that the algorithms perform sufficiently well with our dataset for our purposes.

To this end, we set up a simple experimental protocol: we randomly select 1000 frames each extracted from a distinct movie and on which the algorithm detected only one face, half of which female, the other male (so, 500 frames for each gender). We built the web interface shown in Fig. 1 displaying one random frame at a time with a bounding box around the detected face, followed by two questions. The first question aimed at checking whether the face detected in the bounding box and its gender are correct. The second question aimed to check whether the frame contains faces outside the bounding box which would therefore be undetected since only one face was detected on each image. We sent the link to this website on our research center’s internal mailing list. Participants were invited to review as many frames as they could. Overall, 4938 reviews were submitted with an average of 4.94 (σ = 2.29) reviews per frame. For every frame, we considered the most frequent answer. (Narrowing the evaluation only to pictures with identical answers overall reviews actually yielded very similar results). Raw results are gathered in Table 1. For each image, Table 1a gathers two observations, one for inside the bounding box (true and false positives) and one for the rest of the frame (true and false negatives), thus totaling 2000 observations from 1000 images.

Fig. 1: Interface of the human evaluation experiment.

A randomly-selected image is displayed to users on top of the two closed questions they are requested to answer.

Table 1 Evaluation of the detection models.

For face detection, there are 977 + 863 = 1840 correct inferences (true positives and true negatives) and 23 + 137 = 160 incorrect inferences (false positives and false negatives), thus a high accuracy of 92%, consistent with the literature. Note that there are many more false negatives than false positives i.e., the algorithm, when wrong, tends to rather fail to identify a face than erroneously detect one. Accuracy for gender inference is weaker, with 304 + 410 = 714 correct inferences and 162 + 75 + 7 + 8 = 252 incorrect ones (discarding the negligible “doubt” category which indicates that human participants were unable to be conclusive), i.e., a lower yet pretty high 73.9% accuracy. However, we also notice that gender inference performs quite differently between males and females. When it infers a female face, the face is actually of a women-only 65% of the time, while of a man 35% of the time. Male faces are accurately identified 84.5% of the time and are actually of a female for only 15.5% of the cases.

Therefore, the model shows in aggregate a tendency to wrongly categorize faces as female more often than for male faces. It generally informs us that the raw inferences of woman faces and thus woman presence are overestimated by the machine-learning algorithm that we used. While it is clear that a 65% accuracy, in general, would be problematic, we luckily deal here with a dichotomized variable: either female or male. Since the accuracy on male faces is actually very high, it serves as an anchor upon which to build (1) the good accuracy of faces detected as male, by construction, and thus (2) the good accuracy of the correction on what is not detected as male. In this sense, the good accuracy on faces detection as male ensures that a correction based on manual validation on faces detected as female would accurately redress estimations for both genders.

Thanks to this contextual validation step, we can now correct inference results appropriately. Knowing the shape and magnitude of model error makes it indeed easy to adjust face counts: for instance, if the algorithm detects a female face, we count 0.65 female faces and 0.35 male faces, using the confusion matrix of Table 1. The same applies to male faces. In a nutshell, we adjust the raw ffr using the following formula:

$${{\rm{FFR}}}_{{\rm{corrected}}}=(1-\lambda )+(\lambda +\lambda ^{\prime} -1){\rm{FFR}}$$

where λ and \(\lambda ^{\prime}\) are the proportions of true positives for male and female faces, respectively. Furthermore, we observe that algorithm error is not constant across time: female faces are over-estimated significantly more for the earlier than for the later years. In practice, we thus use time-dependent correction factors λ and \(\lambda ^{\prime}\) (based on time periods defined below for the temporal analysis).

Women’s presence and its evolution

The content analysis literature has relied on diverse features to assess gender representation in media. It variously mixed field expertise, subjective perceptions, and quantifiable variables. These endeavors often led to semantic characterizations such as women appearing “as dependent on men”, “unintelligent”, “less competitive”, “more sexualized” (Busby, 1975), which are identified, annotated, and counted throughout the media for further comment. The more formal the feature, the easier it is to scale the analysis to more observations, either by increasing the number of observers or automating the process.

More recently, various academic and activist projects have undertaken large-scale analyses of visual entertainment media. They often lessened the semantic complexity of the variables they rely on and mainly focused on presence ratios while being able to increase sample sizes to a point that made temporal analysis possible. Figure 2 gathers some results from three of these projects (Lauzen, 2018; Smith et al., 2019; Townsend et al., 2019). They not only confirm the under-representation of women already widely observed across the literature (Busby, 1975; Collins, 2011), but they also invite the conclusion that this situation has not evolved markedly in any direction during the considered periods.

Fig. 2: Illustration of a selection of ratios found in the literature.

The figure displays the temporal evolution (x-axis) of the ratio of women presence in various media (y-axis), based on Lauzen (2018), Smith et al. (2019), and Townsend et al. (2019).

Female face ratio (ffr)

The face and gender detection algorithms we use provide us, for each movie frame, with three types of information of increasing complexity: number, gender, and position of faces. In turn, we derive three types of variables. The first one is the most minimalist: the percentage of faces classified as a female among all the detected faces on all frames of a given movie, or female face ratio (ffr).

The average ffr over all movies is 34.52% (σ = 9.19). This ratio is comparable to what is found in the literature, such as the ratio of female among characters in primetime television programming (39.6%) (Sink and Mastro, 2017) or among speaking characters in broadcast network programs and popular movies (see Fig. 2) (Lauzen, 2018; Smith et al., 2019). However, the ffr markedly differs from one genre to another: we find for example an average ffr of 31.3% for Crime movies while it reaches 37.1% for Romance movies.

To illustrate informally what the ffr means in practice, we provide a few examples of top grossing movies for some domains of this metric. First, among movies with a high percentage of male faces (i.e. ffr < 25%) we find movies such as Pirates of the Caribbean (2007), Star Wars (2005), Matrix (2003), Independence Day (1996), or Forest Gump (1994), all with an ffr of around 23%. Movies such as The Hunger Games (2014) and Jurassic World (2015), Rogue One (2016) and Gravity (2013) lie around a female-male parity, with a ffr of between 45% and 55%. Lastly, the movie with the highest ffr (68%) is Bad Moms (2016), closely followed by movies such as Sisters (2015), Life of the Party (2018) and Cake (2014).

Beyond these few examples, we further check how the ffr is correlated with narrative features by comparing it with the Bechdel (1983) test. This test is referenced and used in numerous studies (Lindner et al., 2015; Selisker, 2015; Yang et al., 2020) and renowned for discarding around half of all reviewed movies with the simple criteria that two named women be present, speak to each other, about something besides a man. We rely on data produced by volunteers who manually evaluate if a movie passes or not the above cited conditions. This data is available at and only covers a subset of our dataset (n = 2454). As the ffr varies along movie genres, so does the test: we compared both metrics across the 10 most frequent movie genres, as shown on Fig. 3. We find that they are ordered in almost the same manner (Spearman score > 0.93) even though the ffr varies somewhat less across genres in absolute values.

Fig. 3: Bechdel test and female face ratio (ffr) across a selection of popular movie genres.

Each bar corresponds to a movie genre, filled with shadings representing the share of movies filling each criteria of the Bechdel Test. A circle indicates the share of movies passing the test while a cross indicates the variation to the mean with respect to the ffr.

Temporal analysis

Our aggregate findings on the ffr since 1985 confirm women’s under-representation in terms of on-screen presence. Yet, they also show a significant trend toward less inequality. Our computational approach enables us to go into more detail by providing a relatively high resolution on the ffr distribution across the observation period which, in turn, reveals several features.

We temporally divided our dataset into quartiles, i.e. four consecutive periods featuring the same number of films. As shown in Fig. 4, the ffr markedly increases across time from an average 27% between 1985 and 1998 to a mean ffr of 44.9% for the last period (2014–2019), close to a female–male balance. The evolution of ffr ranges is equally significant: most movies shot over 1985–1998 exhibit an ffr of 20–45%, while movies of the most recent period 2014–2019 generally cover the 35–65% range. Besides, the standard deviations of the underlying distributions increase overall (from 5.1 to 7.6). This probably denotes a higher diversity of situations with regard to on-screen gender presence. On the whole, it seems to be slowly evolving in favor of female representation as distributions appear to be increasingly right-skewed, i.e. towards a higher ffr . Furthermore, considering data from restrained to the films of our datasets, over the same periods, we also observe an increase in the percentage of movies passing the test: 51% between 1985 and 1998 up to 60% for the last period (2014–2019). This evolution is comparable to the increase of the ffr, albeit of a somewhat smaller magnitude, i.e. +9% vs. +18%.

Fig. 4: Distributions of female face ratio (ffr).

a Distributions of ffr for each period: Percentage of movies with a given ffr, one data point every 5%. b Distributions of several features over the distribution of ffr: Percentage of movies with a given ffr, colored by the given variable mean within the bin, the lighter the higher.

As previously mentioned, while the literature widely acknowledges that women are under-represented in movies and, more broadly, in visual entertainment media, it usually states that this situation does not exhibit any significant evolution (see Fig. 2). As it stands, we observe on our dataset a positive evolution over time of two distinct features, the ffr and the Bechdel test success probability, in apparent contradiction with the hitherto observed stable representation of women. Note however that we exhibit a correlation between the ffr and the Bechdel test, indicating that the ffr nonetheless captures at least in part some semantic features beyond the plain proportion of female faces.

We can think of two phenomena to explain the discrepancy between our study and the previous ones. The first one relates to the way we select content, whereby we focus on a selection of films that may be distinct from what is immediately available on prime-time TV and on-demand streaming platforms. In other words, both ours and the Bechdel test data are based on information contributed by users (on such and such website, relating to the interest of users for such and such content), while the traditional data is based on top-grossing films and/or programs (indicating what is offered to, or most successful for a given audience). The second one may be linked to the potential difference between on-screen presence (that we measure here) and more sophisticated features, such as effective speaking time or regularity of appearance (that is typically measured in the literature).

In essence, the discrepancy may demonstrate that there has been a significant evolution towards more on-screen female presence close to reaching female–male parity, but that this trend is only moderately related to the actual importance or influence of women in popular movies and their scenarios. In other words, put in perspective with the literature, the evolution that we uncover here may not be of sufficient influence on gender representation in popular movies. Figuring out to what degree the increase of female on-screen presence is potentially preludial to an upcoming fairer gender representation, or a subtle expression of “purplewashing”, would require a deeper qualitative analysis which is beyond the scope of our study.

Relation between ffr and audience

We could see that distinct genres correspond to differing ffr values. Budget and audience-related metadata enable us to characterize more finely the type of films that correspond to certain areas of the ffr distribution. In Fig. 4 we focus on ffr histogram for the most recent period (2014–2019). On this histogram, we project the average rank of movie ffr with respect to the budget, gross, rating given by users (rating value), or the number of people who have rated a movie (rating count). Note that we chose to color histograms from white to black using rankings rather than absolute values, for there are wide variations in the orders of magnitude of the underlying average values (for instance, budget spans several orders of magnitude—if a certain range of absolute values corresponded to a certain tone, we would almost have had either only white or only black bars, losing a significant resolution and missing the actual ordering and hierarchy between high-budget and low-budget movies). Lighter tones correspond to higher ranks: for instance, the white bar for the “budget” coloration (left-most histogram) denotes the highest movie budgets. It coincides with the main mode and specifically with the bar of the histogram featuring the highest proportion of movies, with an ffr of 35%. The darkest tones, on the other hand, are found for the most extreme values of ffr (very small or very high). Some exceptions are notable: there is a slightly less dark tone for ffr values around 70%, indicating the existence of relatively higher budget movies on that side as well. On the whole, the same phenomena are visible for worldwide gross and rating. This suggests that the audience and their opinion resonate best with movies close to the main ffr mode, which corresponds to the average ffr under-representation of women. Interestingly, the higher ffr values that emerged over the recent years (around 60%) also correspond to relatively well-funded and successful movies. The last (right-most) histogram focuses on one of the best-ordered tone scales (i.e., gray levels and ffr values are ordered similarly), with respect to the proportion of user ratings given on IMDb by females. In other words, it reveals a virtually perfect agreement between movies featuring a high ffr and the engagement of women in rating these movies (regardless of the polarity of these ratings, positive or negative).

The framing of gender


From an experimental psychology perspective, little is known about the effect upon observers of visual composition and element framing in a picture (Sammartino and Palmer, 2012). A movie shot composition allegedly helps convey the emotional attachment of viewers to characters and narrative elements, driving them through the plot. These elements have been widely discussed and commented on since the early research on modern esthetics, including film theories (Eisenstein, 1949), and taken as the basis for a more socio-political critique of public displays of information such as gender (Goffman, 1979). While the features extracted in the present study are insufficient for recovering the highly qualitative nature of such editorial choices, they still enable us to discuss character framing, of interest in film theory and its history (Cutting, 2015). In particular, by focusing on simple elements such as face position and surface, we first explore the hypothesis of face-ism made by several gender studies. We further propose a more general appraisal of on-screen gender presence. This analysis is more sophisticated than the computation of ffr: in particular, propagating the above-mentioned inference correction of the algorithm to complex on-screen face positions (bounding box areas) and compositions (one or several faces) would prove to be quite arduous. For this reason and the sake of simplicity, we now restrict our analysis to the latest period of our dataset (2014–2019), since the model error was lowest and least serious. First, the accuracy of gender detection lies around 78%, and, more importantly, it is symmetric across genders: male faces detected as female is in the same proportion as female faces detected as male.

Face-ism is the tendency of an image to reveal more of the subject’s face or head than body. It has been commonly associated with dominance and positive affect in audience perceptions (Archer et al., 1983). Both in mass media and social networks (Smith and Cooley, 2012), research tends to observe that higher face-ism is granted to males over females.

In our dataset, the area of the face occupied on-screen can be assessed by the area of the face’s bounding box. Compared with the size of the frame for a given movie, it yields the percentage of the frame occupied by a detected face, which can then be compared between movies with different aspect ratios or resolutions. The values of face areas across all our dataset follow a heterogeneous distribution (technically a power law: many are small, few are large) with 80% faces occupying more than 1.36% of the frame. The median face area is 3.8% of the frame and is almost identical for male and female faces. More precisely, the differences are statistically significant according to the non-parametric Mann–Whitney U test, yet extremely small: male general face area median is 0.03% above female. Furthermore, by genre, these small differences appear sometimes in one direction, sometimes in another— on the whole a typical signature of an effect that rather fluctuates around zero with some certainty. This tends to not confirm the presence of gender biases in the way face-ism is granted to a character. Note however that our metric does not perfectly reflect potential face-ism, for it lacks the ability to compare the area of the face with that of the body—caution must hence be applied before drawing from this result a refutation of the hypothesis of gender bias in face-ism. Further automated inquiry on the matter should therefore make use of an additional algorithm able to detect and measure the presence of bodies in the picture.

Gender’s mise-en-scene and mise-en-cadre

Choosing how many characters appear in a given frame is an influential element of the craft of staging or mise-en-scene. It may direct the viewer’s attention to one face or divide it among several, significantly modifying the perception of actors’ performance and their surroundings. Thus, we analyzed the combinations of character genders appearing in the same frame. As shown in Fig. 5, the distribution of the most observed combinations reveals that 9 cases account for more than 95% of all frames with faces and that the one-male-only configuration represents almost half of them.

Fig. 5: Combinations of character genders.

Each bar represents a gender combination among the most common ones over the period (2014–2019).

Let us first focus on frames with only one face, which is the most common case. The distribution of the gender of that face exhibits a more marked bias in favor of male faces than the ffr: 40% of one-face frames feature a female, vs. 60% for males (44.2% out of 29.5 + 44.2%), while the average global ffr for the last period is 44.9%. In other words, there seems to be a stronger bias favoring male presence in situations featuring a single face.

Furthermore, following the ranking of Fig. 5 in decreasing order exhibits a perfect symmetry of gender combinations (0 female/1 male, 1/0, 0/2, 2/0, etc.), with equivalent configurations appearing first (i.e. 0 female/1 male before 1 female/0 male), in line with the underlying general bias in favor of male face presence. This hints at the idea that there is no significant additional gender bias in the character composition of a frame beyond the general previously observed 45–55 woman–man representation unbalance for that period.

We used these combinations to see if gender has an impact on the screen location of faces or, in other words, to observe if there is a gender-specific mise-en-cadre depending on these configurations. Figure 6 displays small matrices representing the screen on which a movie would be displayed, split according to the common rule-of-thirds. Each zone is annotated with the percentage of women or men appearing in it, in the context of the character gender combination mentioned above it.

Fig. 6: Distribution of faces position on-screen (2014–2019).

Each rectangle represents a screen split according to the rule of thirds, where each subsection is annotated with the percentage of faces of the gender mentioned in the each description.

We used chi-square to test the hypothesis of independence of the frequency distributions found in the various matrices. We considered the categorical variable mise-en-cadre, with 9 possible values (one for each position in the 3 × 3 grid). We generated a contingency table for each pair of face configurations. We also checked for aggregated horizontal and vertical positions, in such cases the mise-en-cadre only having three possible categories (in the horizontal case: left, center, right, in the vertical case: top, middle, bottom). For all these cases and all pairwise combinations, we found strong support for dependence, with all p-values < 0.005. This leads us to conclude that even differences of small magnitude are statistically significant.

When in a gender-mixed configuration, women are more present in the middle third of the screen while men seem to appear more frequently in the upper third of the screen. A similar phenomenon can be observed when women and men are alone or in a non-mixed character gender combination, but in these cases, while the observation is still statistically significant, the magnitude of the effect is very small.

We randomly selected hundreds of pictures exhibiting this significant pattern: the woman’s face present in the middle third of the screen while the man’s is located in the upper third. A manual evaluation of this selection revealed that this bias is partly due to the height gap between actors and actresses, as illustrated by Fig. 7. As stated earlier, the mise-en-cadre of characters goes beyond face size and position. A more fine-grained analysis would require the ability to assess subtle biases in-depth and perspective of characters placement together explanatory and evaluation protocols with movie experts. We leave this to further research.

Fig. 7: Illustration of how we appraise on-screen gender placement.

Bounding boxes identify face positions while white vertical/horizontal lines indicate how the frame is split according to the rule of thirds.

Concluding remarks

In practice, our contribution principally exhibits several gender representation discrepancies in on-screen presence in a large set of movies spanning a wide period of time. More broadly, this article also aims at demonstrating the usefulness and feasibility of automated computational methods for the study of gender representativeness in mass media. We successfully uncovered clear historical trends thanks to the possibility of handily producing empirical observations at a scale that would have been both expensive and difficult for a qualitative endeavor. Nonetheless, our essentially quantitative approach did not prevent us to appraise more sophisticated features and correlate our findings with a variety of meta-data. As such, our approach could be easily replicated on other corpora within the visual entertainment industry, such as advertisements and TV shows.

Meanwhile, our study also outlined several challenges for computational methods to efficiently tackle issues related to gender representation in media. Firstly, even though we used face and gender detection algorithms with solid track records from an engineering perspective, we had to realize and acknowledge that the underlying machine learning models still suffer from important and significant biases, especially with respect to the empirical context of movie content over several decades. Trusting the output of these algorithms at face value would have led to significant errors. The development of a protocol to assess their bias on a case-by-case basis proved to be key: further studies should imperatively estimate the performance of such tools, be it in the framework of gender studies or more broadly in the prospect of carrying out the “distant viewing” of the media material. Secondly, our results have shown clear trends towards more representativeness of on-screen woman presence in popular movies, whereas parts of the state of the art rather tend to report a rather stable (under-)representation. This opens up interesting venues for further qual-quant analyses: for instance, by focusing on movies quantitatively featuring a gender ratio close to parity and describing qualitatively how women are actually represented with respect to men. On the whole, we hope to have shown that there is a promising potential in the fine qualitative analysis of media material selected on the basis of a large-scale scanning of sizable media datasets.

Data availability

The datasets generated during and/or analyzed during the current study are available in the Nakala repository,


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The authors are grateful to Élise Marsicano, Lilas Duvernois, Cécile Dumas, Jean-Christophe Ribot, and Angela Crone for their help and advice in conducting this research.

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Mazières, A., Menezes, T. & Roth, C. Computational appraisal of gender representativeness in popular movies. Humanit Soc Sci Commun 8, 137 (2021).

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