Leading 50 countries/territories

The leading 50 countries/territories ranked by total article Share (Share) based on collaborative articles between north and south countries from 2015 to 2022. North and south countries were defined using the World Bank’s income-group classifications. See this supplement’s Guide to the Index for more information. Also listed are each country/territory's collaborative article count (Count) and proportion of north-south collaboration Share relative to total Share (North-south collaboration %) over the same period.

Click on column headers to sort

Rank	Country/territory	Category	Share 2015–22	Count 2015–22	North-south collaboration (%)
1	United States of America (USA)	North	2,632.34	6,992	1.7%
2	India	South	2,039.16	6,526	24.6%
3	Germany	North	1,076.51	4,502	2.9%
4	United Kingdom (UK)	North	878.71	4,198	3.0%
5	China	North	755.97	3,417	0.8%
6	France	North	705.05	3,550	4.0%
7	Japan	North	417.41	1,975	1.7%
8	Italy	North	409.18	2,820	4.7%
9	Iran	South	311.92	1,502	38.7%
10	Switzerland	North	305.25	2,416	2.7%
11	Canada	North	277.78	1,658	2.2%
12	Australia	North	239.65	1,915	2.5%
13	Spain	North	235.31	2,403	2.5%
14	Russia	North	214.55	2,356	5.8%
15	South Korea	North	207.03	1,445	1.8%
16	Netherlands	North	167.81	1,938	2.3%
17	Sweden	North	166.24	1,524	3.2%
18	Ukraine	South	153.61	1,704	77.9%
19	Belgium	North	114.82	1,045	3.4%
20	Singapore	North	105.42	420	2.2%
21	Taiwan	North	101.00	1,440	3.0%
22	Vietnam	South	95.69	649	67.1%
23	Egypt	South	93.18	1,405	85.4%
24	Pakistan	South	91.84	1,331	42.7%
25	South Africa	North	86.97	1,046	13.5%
26	Poland	North	86.33	1,958	4.3%
27	Israel	North	82.63	872	1.7%
28	Brazil	North	79.48	1,883	3.6%
29	Austria	North	71.07	1,511	2.4%
30	Denmark	North	70.14	1,031	2.2%
31	Kenya	South	64.59	395	98.5%
32	Czech Republic	North	61.24	1,501	3.8%
33	Turkey	North	55.93	1,449	9.4%
34	Saudi Arabia	North	51.08	542	4.8%
35	Finland	North	50.68	994	3.0%
36	Norway	North	42.22	899	2.8%
37	Bangladesh	South	40.73	231	95.3%
38	Portugal	North	40.19	1,180	3.4%
39	Morocco	South	36.85	646	73.9%
40	Philippines	South	33.78	382	94.4%
41	Lebanon	South	29.48	194	67.0%
42	Mexico	North	28.45	863	3.9%
43	Greece	North	27.43	1,224	3.8%
44	Chile	North	25.10	725	2.9%
45	Ireland	North	24.84	987	2.6%
46	Uganda	South	24.32	172	97.3%
47	Tunisia	South	23.28	146	91.8%
48	Ethiopia	South	21.53	155	100.0%
49	Romania	North	19.98	1,038	10.5%
50	Hungary	North	19.84	1,057	2.8%