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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, not an abstracting service's copy of a paper, categorized by OpenAlex as article, book, review, book-chapter or conference-paper, and cited at least 1 time. 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	300,562,290	8,049,346	47,412	0.59%	2,480	1,609	679
2	Materials Chemistry	145,822,203	4,924,995	26,678	0.54%	1,876	1,296	549
3	Electrical and Electronic Engineering	137,121,992	6,623,392	29,021	0.44%	1,679	1,260	576
4	Biomedical Engineering	117,068,219	4,583,418	21,904	0.48%	1,555	1,082	493
5	Plant Science	86,832,707	3,681,556	14,401	0.39%	1,321	819	374
6	Surgery	81,623,107	4,053,690	13,722	0.34%	1,265	832	370
7	Genetics	73,008,162	2,405,449	11,720	0.49%	1,457	890	363
8	Atomic and Molecular Physics, and Optics	72,125,291	2,915,235	13,172	0.45%	1,543	783	300
9	Epidemiology	71,358,024	2,875,899	12,638	0.44%	1,350	937	435
10	Organic Chemistry	68,292,383	2,501,890	9,951	0.40%	1,274	799	359
11	Sociology and Political Science	67,968,601	4,797,741	17,506	0.37%	1,442	823	375
12	Mechanical Engineering	67,803,681	3,750,639	12,283	0.33%	1,148	784	384
13	Artificial Intelligence	66,816,380	3,375,811	18,701	0.56%	1,739	1,062	537
14	Oncology	65,862,049	2,100,250	11,725	0.56%	1,479	1,046	526
15	Physiology	63,579,331	2,040,978	10,617	0.52%	1,375	886	386
16	Ecology	63,245,416	2,228,418	10,139	0.46%	1,319	793	340
17	Immunology	61,542,970	1,603,617	10,180	0.64%	1,403	943	459
18	Cellular and Molecular Neuroscience	55,278,061	1,377,911	6,745	0.49%	1,207	677	273
19	Pulmonary and Respiratory Medicine	55,260,785	2,658,483	10,488	0.40%	1,151	844	438
20	Cognitive Neuroscience	52,328,309	1,498,809	8,307	0.56%	1,379	777	299
21	Global and Planetary Change	50,178,531	1,752,833	9,466	0.54%	1,223	804	369
22	Public Health, Environmental and Occupational Health	47,765,542	2,312,949	8,834	0.38%	1,092	751	348
23	Cell Biology	43,161,311	1,193,743	5,703	0.48%	1,130	626	253
24	Social Psychology	42,983,677	1,653,759	7,915	0.48%	1,332	677	285
25	Economics and Econometrics	42,019,323	2,306,496	10,427	0.45%	1,354	758	417
26	Renewable Energy, Sustainability and the Environment	41,767,057	1,214,197	8,444	0.70%	1,137	965	492
27	Electronic, Optical and Magnetic Materials	41,364,461	1,430,740	7,918	0.56%	1,193	864	375
28	Atmospheric Science	41,195,371	1,376,346	6,661	0.48%	1,115	658	287
29	Radiology, Nuclear Medicine and Imaging	40,437,066	1,705,875	7,364	0.43%	1,158	727	399
30	Cardiology and Cardiovascular Medicine	40,403,076	1,667,972	7,738	0.46%	1,170	741	320
31	Mechanics of Materials	38,926,182	2,148,518	6,447	0.30%	985	499	223
32	Clinical Psychology	36,086,850	1,588,121	7,130	0.45%	1,146	669	425
33	Cancer Research	36,075,448	942,640	6,193	0.66%	1,287	923	403
34	Computer Vision and Pattern Recognition	35,975,909	1,833,878	10,648	0.58%	1,394	962	467
35	Infectious Diseases	34,844,877	1,350,706	6,383	0.47%	1,026	827	668
36	Ecology, Evolution, Behavior and Systematics	34,685,538	1,548,459	5,452	0.35%	1,008	564	221
37	Spectroscopy	34,223,913	1,242,714	5,024	0.40%	1,088	583	246
38	Computer Networks and Communications	33,730,479	2,094,801	9,014	0.43%	1,139	672	310
39	Computational Mechanics	32,600,521	1,719,119	6,238	0.36%	1,033	519	232
40	Aerospace Engineering	32,120,763	2,180,188	6,784	0.31%	922	633	327
41	Biomaterials	31,774,089	917,600	5,479	0.60%	1,017	753	381
42	Civil and Structural Engineering	31,737,644	1,821,703	5,952	0.33%	834	542	275
43	Pathology and Forensic Medicine	30,887,465	1,233,939	4,880	0.40%	965	632	284
44	Food Science	30,714,396	1,404,570	4,961	0.35%	875	590	298
45	Nutrition and Dietetics	30,480,848	1,062,014	4,535	0.43%	938	582	275
46	Endocrinology, Diabetes and Metabolism	29,898,210	1,121,932	5,325	0.48%	986	642	308
47	Pharmacology	29,741,597	1,158,853	4,401	0.38%	936	586	264
48	Education	29,720,469	2,716,673	7,839	0.29%	1,016	589	258
49	General Health Professions	29,565,488	1,944,144	6,880	0.35%	1,044	648	318
50	Control and Systems Engineering	29,447,816	2,013,282	6,827	0.34%	958	577	272
51	Health, Toxicology and Mutagenesis	29,443,876	948,969	4,517	0.48%	915	652	335
52	Inorganic Chemistry	28,629,865	972,306	4,466	0.46%	965	687	320
53	Polymers and Plastics	28,551,017	999,141	5,130	0.51%	944	722	342
54	Astronomy and Astrophysics	28,459,625	1,268,003	5,608	0.44%	970	551	246
55	Experimental and Cognitive Psychology	26,975,729	903,059	5,073	0.56%	1,170	640	242
56	Computational Theory and Mathematics	26,742,218	1,317,985	6,290	0.48%	1,182	629	293
57	Environmental Engineering	26,377,437	1,033,863	5,163	0.50%	921	630	329
58	Psychiatry and Mental health	26,166,039	965,967	4,173	0.43%	947	587	257
59	Pediatrics, Perinatology and Child Health	25,339,866	1,323,587	4,089	0.31%	830	534	207
60	Water Science and Technology	25,272,590	974,887	4,209	0.43%	865	648	343
61	Geophysics	25,256,375	923,943	3,835	0.42%	914	442	167
62	Pollution	24,809,252	776,099	4,336	0.56%	903	726	399
63	Neurology	24,551,488	1,003,981	4,126	0.41%	922	642	422
64	Nature and Landscape Conservation	23,516,365	835,130	3,759	0.45%	976	530	191
65	Information Systems	22,521,324	2,025,688	7,349	0.36%	936	642	326
66	Oceanography	22,259,587	831,313	3,344	0.40%	872	481	197
67	Rheumatology	22,042,618	982,135	3,464	0.35%	807	500	230
68	Strategy and Management	21,939,893	1,135,846	5,691	0.50%	1,093	632	322
69	Nuclear and High Energy Physics	21,652,680	952,745	4,356	0.46%	910	471	199
70	Management Science and Operations Research	20,838,377	882,877	4,509	0.51%	1,111	545	244
71	Developmental and Educational Psychology	20,781,979	883,345	3,772	0.43%	960	476	180
72	Statistical and Nonlinear Physics	20,331,839	875,789	4,509	0.52%	1,058	517	220
73	Condensed Matter Physics	19,119,487	784,435	3,432	0.44%	917	476	212
74	Hematology	19,108,198	697,022	2,968	0.43%	825	533	237
75	Environmental Chemistry	19,098,930	634,468	2,838	0.45%	800	493	243
76	Ocean Engineering	18,539,371	1,153,531	3,340	0.29%	730	466	216
77	Political Science and International Relations	18,216,745	2,166,837	4,877	0.23%	733	401	159
78	Building and Construction	17,948,299	975,346	3,494	0.36%	684	531	283
79	Insect Science	17,862,867	835,699	2,535	0.30%	697	464	201
80	Automotive Engineering	17,579,493	833,833	4,477	0.54%	809	701	377
81	Genetics	17,132,646	632,843	2,899	0.46%	844	561	241
82	Organizational Behavior and Human Resource Management	17,128,367	665,992	3,764	0.57%	1,099	572	234
83	Physical and Theoretical Chemistry	16,422,012	547,170	2,839	0.52%	950	421	159
84	Neurology	15,728,799	459,602	2,669	0.58%	853	599	305
85	Statistics and Probability	14,905,136	502,036	3,151	0.63%	1,103	521	173
86	Biotechnology	14,780,797	512,312	1,945	0.38%	717	415	214
87	Animal Science and Zoology	14,490,583	641,732	1,783	0.28%	598	392	242
88	Analytical Chemistry	14,320,819	614,722	2,188	0.36%	700	432	217
89	Signal Processing	13,753,966	769,597	3,429	0.45%	861	511	234
90	Catalysis	13,572,639	391,159	2,278	0.59%	768	592	323
91	Soil Science	13,552,062	601,094	2,711	0.45%	746	507	233
92	Waste Management and Disposal	13,227,051	520,908	2,555	0.49%	730	598	342
93	Biochemistry	13,224,189	403,461	1,794	0.45%	727	426	190
94	Marketing	13,105,355	573,866	3,625	0.63%	877	563	305
95	Endocrine and Autonomic Systems	12,531,812	342,275	1,603	0.47%	747	425	172
96	Management, Monitoring, Policy and Law	11,873,115	820,598	2,902	0.35%	692	478	239
97	Agronomy and Crop Science	11,758,339	644,203	1,706	0.27%	589	348	161
98	Accounting	11,733,667	693,483	2,739	0.40%	883	466	183
99	Finance	11,375,521	569,508	2,499	0.44%	854	413	195
100	Surfaces, Coatings and Films	11,265,405	401,856	2,015	0.50%	717	467	219