Japan

Research

Date range: 1 August 2022 - 31 July 2023

Subject/journal group: All

The table to the right includes counts of all research outputs for Japan published between 1 August 2022 - 31 July 2023 which are tracked by the Nature Index.

Hover over the donut graph to view the Share for each subject. Below, the same research outputs are grouped by subject. Click on the subject to drill-down into a list of articles organized by journal, and then by title.

Note: Articles may be assigned to more than one subject area.

Article Count and Share for Japan
Count Share
5052 2922.31

Outputs by subject (Share)

Outputs by subject
Subject Count Share
1143 648.88
1689 1178.06
423 211.20
602 284.63
1952 946.60

Share output for the past 5 years

Share per year
2018 2019 2020 2021 2022*
3090.85 3030.64 3271.82 3185.21 2959.97

Compare Japan with other countries/territories

*Note: 2022 data contains Share for article affiliations from newly added health sciences journals.

Collaboration

View the connected world of international research collaboration. Visualize collaborations by subject or region.

Collaborations between countries

Date range: 1 August 2022 - 31 July 2023

Collaboration by percentage of Share

Hover over the graph to view collaboration by percentage of Share.

Collaboration by percentage of Share
Country Share (%)
USA 33.23
China 20.26
Germany 11.36
UK 8.84
France 6.79
Italy 4.19
South Korea 4.13
Australia 3.97
Switzerland 3.77
Spain 3.45

Top 10 collaborators with Japan by Share

  1. Japan and United States of America (USA) (960.72)
    Japan350.82
    United States of America (USA)609.90
  2. Japan and China (585.64)
    Japan224.33
    China361.31
  3. Japan and Germany (328.55)
    Japan140.33
    Germany188.21
  4. Japan and United Kingdom (UK) (255.69)
    Japan122.45
    United Kingdom (UK)133.24
  5. Japan and France (196.19)
    Japan94.27
    France101.92
  6. Japan and Italy (121.16)
    Japan50.53
    Italy70.62
  7. Japan and South Korea (119.53)
    Japan63.33
    South Korea56.20
  8. Japan and Australia (114.83)
    Japan56.18
    Australia58.65
  9. Japan and Switzerland (108.88)
    Japan49.54
    Switzerland59.34
  10. Japan and Spain (99.82)
    Japan49.99
    Spain49.83

Collaboration is determined by the combined fractional count (Share) of Japan and the collaborating country.

Top 10 institutions from Japan by Share

Institution Count Share
1. The University of Tokyo (UTokyo) 1193 379.14
2. Kyoto University 717 242.43
3. Osaka University 528 170.07
4. Tohoku University 614 144.29
5. Hokkaido University 323 129.29
6. RIKEN 572 120.96
7. Nagoya University 422 120.63
8. Tokyo Institute of Technology (Tokyo Tech) 330 104.07
9. National Institute for Materials Science (NIMS) 386 90.83
10. Kyushu University 338 85.27

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