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100 of 252 fields, ranked by Citations. Click a column to sort the loaded rows. Metrics count papers published 1951–2026, not retracted, categorized by OpenAlex as article, book, review, book-chapter or conference-paper, cited at least 1 time, and written by no more than 20 authors. A column's info gives the years it covers.

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Citations received by the entity's indexed papers. Covers papers published 1951–2026.

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		All 252 fields
#	Name	Citations rank	Papers	Hit papers	Hit rate	h-index	h-index since 2010	h-index since 2020
1	Molecular Biology	292,692,633	8,031,957	46,585	0.58%	2,392	1,511	623
2	Materials Chemistry	144,751,907	4,948,891	26,779	0.54%	1,859	1,277	529
3	Electrical and Electronic Engineering	136,108,190	6,624,011	29,037	0.44%	1,662	1,242	561
4	Biomedical Engineering	116,182,871	4,581,587	22,183	0.49%	1,543	1,069	481
5	Plant Science	85,734,586	3,676,498	14,326	0.39%	1,295	790	363
6	Surgery	79,462,309	4,033,472	13,150	0.33%	1,210	775	330
7	Atomic and Molecular Physics, and Optics	71,281,693	2,908,379	13,083	0.45%	1,529	765	287
8	Genetics	70,250,217	2,387,311	10,986	0.46%	1,382	780	311
9	Epidemiology	68,858,787	2,854,492	12,267	0.43%	1,291	870	391
10	Organic Chemistry	68,064,042	2,589,031	10,161	0.39%	1,257	782	354
11	Mechanical Engineering	67,603,321	3,752,559	12,383	0.33%	1,140	776	381
12	Sociology and Political Science	67,556,755	4,795,035	17,594	0.37%	1,433	812	366
13	Artificial Intelligence	66,383,300	3,372,721	18,759	0.56%	1,727	1,049	528
14	Oncology	62,778,460	2,079,255	11,040	0.53%	1,396	931	473
15	Ecology	62,094,413	2,221,688	9,962	0.45%	1,289	755	324
16	Physiology	61,998,386	2,030,710	10,437	0.51%	1,330	841	364
17	Immunology	59,264,649	1,587,549	9,907	0.63%	1,358	879	417
18	Cellular and Molecular Neuroscience	54,570,939	1,374,454	6,728	0.49%	1,196	657	258
19	Pulmonary and Respiratory Medicine	52,921,294	2,637,470	9,780	0.37%	1,076	743	391
20	Cognitive Neuroscience	51,776,156	1,495,339	8,261	0.55%	1,362	753	286
21	Global and Planetary Change	48,672,783	1,745,254	9,103	0.52%	1,177	746	340
22	Public Health, Environmental and Occupational Health	46,530,816	2,299,876	8,679	0.38%	1,059	712	328
23	Social Psychology	42,750,697	1,652,011	7,933	0.48%	1,326	666	276
24	Cell Biology	42,471,367	1,190,176	5,722	0.48%	1,119	602	241
25	Economics and Econometrics	41,557,856	2,303,801	10,443	0.45%	1,337	738	411
26	Renewable Energy, Sustainability and the Environment	41,495,628	1,220,388	8,467	0.70%	1,121	950	481
27	Electronic, Optical and Magnetic Materials	41,136,710	1,437,673	7,996	0.56%	1,186	853	370
28	Atmospheric Science	39,950,042	1,369,983	6,412	0.47%	1,076	614	269
29	Radiology, Nuclear Medicine and Imaging	39,423,882	1,698,518	7,216	0.43%	1,124	680	372
30	Mechanics of Materials	38,774,192	2,146,869	6,531	0.30%	985	495	221
31	Cardiology and Cardiovascular Medicine	38,501,836	1,654,963	7,163	0.43%	1,088	646	279
32	Computer Vision and Pattern Recognition	35,839,176	1,832,833	10,735	0.59%	1,391	959	465
33	Clinical Psychology	35,739,905	1,585,017	7,129	0.45%	1,133	652	407
34	Cancer Research	34,385,587	933,502	5,914	0.63%	1,222	842	373
35	Ecology, Evolution, Behavior and Systematics	34,195,891	1,546,221	5,350	0.35%	990	535	207
36	Spectroscopy	33,781,891	1,250,456	4,998	0.40%	1,066	557	232
37	Computer Networks and Communications	33,626,497	2,093,369	9,098	0.43%	1,134	669	308
38	Infectious Diseases	32,956,328	1,333,412	5,932	0.45%	948	724	563
39	Computational Mechanics	32,469,003	1,717,491	6,259	0.36%	1,028	517	231
40	Aerospace Engineering	31,715,831	2,172,304	6,807	0.31%	911	628	325
41	Civil and Structural Engineering	31,671,399	1,821,299	6,031	0.33%	831	539	274
42	Biomaterials	31,579,408	920,351	5,602	0.61%	1,011	746	377
43	Food Science	30,476,608	1,401,825	5,025	0.36%	859	579	295
44	Nutrition and Dietetics	30,122,125	1,059,734	4,566	0.43%	924	565	267
45	Pathology and Forensic Medicine	29,700,394	1,222,802	4,554	0.37%	921	566	258
46	Education	29,666,235	2,715,696	7,940	0.29%	1,014	587	258
47	Control and Systems Engineering	29,410,581	2,012,765	6,922	0.34%	957	576	271
48	Pharmacology	29,291,380	1,162,649	4,373	0.38%	914	564	247
49	General Health Professions	29,225,906	1,940,656	6,860	0.35%	1,029	631	307
50	Endocrinology, Diabetes and Metabolism	29,211,097	1,117,120	5,216	0.47%	956	612	286
51	Health, Toxicology and Mutagenesis	28,925,020	945,082	4,473	0.47%	893	628	322
52	Polymers and Plastics	28,408,570	1,001,484	5,157	0.52%	937	712	332
53	Inorganic Chemistry	28,356,054	994,073	4,474	0.45%	951	669	312
54	Experimental and Cognitive Psychology	26,813,422	901,839	5,067	0.56%	1,166	633	238
55	Computational Theory and Mathematics	26,513,582	1,317,459	6,304	0.48%	1,171	611	281
56	Environmental Engineering	26,145,274	1,032,529	5,170	0.50%	911	616	325
57	Astronomy and Astrophysics	25,867,513	1,241,961	4,991	0.40%	892	454	176
58	Psychiatry and Mental health	25,508,662	960,653	3,983	0.42%	917	547	233
59	Water Science and Technology	25,138,826	974,484	4,305	0.44%	857	639	339
60	Geophysics	24,996,681	921,559	3,812	0.41%	906	431	157
61	Pediatrics, Perinatology and Child Health	24,817,692	1,318,316	3,972	0.30%	812	508	194
62	Pollution	24,658,403	775,371	4,389	0.57%	898	718	394
63	Neurology	23,524,390	994,510	3,911	0.39%	878	585	373
64	Nature and Landscape Conservation	23,054,458	832,733	3,634	0.44%	955	495	173
65	Information Systems	22,444,081	2,024,708	7,427	0.37%	934	639	324
66	Strategy and Management	21,921,705	1,135,590	5,760	0.51%	1,092	631	322
67	Oceanography	21,836,134	828,649	3,282	0.40%	855	455	185
68	Rheumatology	21,390,639	976,383	3,366	0.35%	774	460	210
69	Management Science and Operations Research	20,788,525	882,549	4,545	0.52%	1,111	543	243
70	Developmental and Educational Psychology	20,737,809	882,915	3,815	0.43%	959	474	180
71	Statistical and Nonlinear Physics	20,215,325	875,002	4,551	0.52%	1,054	509	215
72	Nuclear and High Energy Physics	19,110,552	907,842	3,907	0.43%	850	393	165
73	Condensed Matter Physics	18,970,718	784,557	3,409	0.44%	911	467	206
74	Environmental Chemistry	18,909,757	634,184	2,824	0.45%	791	481	236
75	Ocean Engineering	18,447,938	1,152,880	3,356	0.29%	724	461	215
76	Political Science and International Relations	18,195,775	2,166,205	4,936	0.23%	733	400	158
77	Hematology	18,047,905	684,810	2,732	0.40%	785	471	208
78	Building and Construction	17,911,995	975,168	3,549	0.36%	682	528	281
79	Insect Science	17,647,977	834,383	2,544	0.31%	685	449	193
80	Automotive Engineering	17,485,391	833,682	4,517	0.54%	804	696	374
81	Organizational Behavior and Human Resource Management	17,069,058	665,479	3,779	0.57%	1,096	567	230
82	Physical and Theoretical Chemistry	16,346,649	553,197	2,860	0.52%	947	414	154
83	Genetics	16,168,651	623,023	2,675	0.43%	804	503	214
84	Neurology	15,292,938	457,170	2,622	0.57%	827	562	280
85	Statistics and Probability	14,776,399	501,655	3,153	0.63%	1,094	513	169
86	Biotechnology	14,640,129	513,816	1,965	0.38%	709	405	209
87	Animal Science and Zoology	14,313,457	640,511	1,753	0.27%	584	373	213
88	Analytical Chemistry	14,284,500	615,194	2,248	0.37%	697	430	217
89	Signal Processing	13,727,849	769,384	3,472	0.45%	861	509	233
90	Catalysis	13,467,756	396,479	2,266	0.57%	754	575	314
91	Soil Science	13,427,521	600,458	2,718	0.45%	735	495	227
92	Waste Management and Disposal	13,167,351	522,300	2,586	0.50%	727	595	341
93	Marketing	13,091,765	573,777	3,670	0.64%	876	562	303
94	Biochemistry	13,079,075	404,740	1,810	0.45%	719	415	186
95	Endocrine and Autonomic Systems	12,356,552	341,312	1,607	0.47%	738	418	169
96	Management, Monitoring, Policy and Law	11,742,081	819,435	2,912	0.36%	687	471	234
97	Accounting	11,725,821	693,368	2,767	0.40%	883	466	183
98	Agronomy and Crop Science	11,634,501	643,079	1,686	0.26%	583	337	156
99	Finance	11,347,103	569,256	2,513	0.44%	853	410	194
100	Surfaces, Coatings and Films	11,197,891	402,102	2,034	0.51%	714	464	218