Which research fields publish the most papers? (2026)

Medicine is the largest field of research, with 17.6% of all new papers in the last 29 days, followed by Social Sciences (14.1%) and Engineering (10.3%).

Updated automatically every day. Data: 29 fully counted days, September 26, 2026 – October 24, 2026. Source: OpenAlex and PubMed.

All research fields ranked

Rank	Field	Papers (29 days)	Share
1	Medicine	123,649	17.6%
2	Social Sciences	98,966	14.1%
3	Engineering	72,300	10.3%
4	Computer Science	67,236	9.6%
5	Arts and Humanities	38,357	5.5%
6	Agricultural and Biological Sciences	32,098	4.6%
7	Environmental Science	29,775	4.2%
8	Physics and Astronomy	29,646	4.2%
9	Psychology	28,116	4.0%
10	Biochemistry, Genetics and Molecular Biology	27,282	3.9%
11	Business, Management and Accounting	27,280	3.9%
12	Mathematics	21,151	3.0%
13	Economics, Econometrics and Finance	16,587	2.4%
14	Materials Science	15,919	2.3%
15	Health Professions	15,876	2.3%
16	Decision Sciences	10,224	1.5%
17	Neuroscience	9,225	1.3%
18	Earth and Planetary Sciences	7,555	1.1%
19	Chemistry	7,461	1.1%
20	Energy	5,262	0.7%
21	Immunology and Microbiology	5,134	0.7%
22	Dentistry	4,999	0.7%
23	Pharmacology, Toxicology and Pharmaceutics	3,437	0.5%
24	Nursing	2,967	0.4%
25	Chemical Engineering	1,564	0.2%
26	Veterinary	1,351	0.2%

Each paper is counted once, under its main field (OpenAlex topics). See the live fields page.