SJR Compare Countries

Documents

Year	United States	China	United Kingdom
1996	26351	5435	7435
1997	25998	7196	7672
1998	26118	7334	7573
1999	25673	8534	7416
2000	26108	9761	7688
2001	25733	10975	7464
2002	28751	11885	7732
2003	28156	13815	7794
2004	30860	18305	8099
2005	32266	23599	8204
2006	33753	28465	8758
2007	33607	31529	8846
2008	35896	34485	8585
2009	33462	37249	8725
2010	35006	39352	9032
2011	37594	45273	9785
2012	36055	49663	9275
2013	37244	55352	9444
2014	37700	63268	10080
2015	39671	69767	10947
2016	38982	72065	10953
2017	39860	75754	11057
2018	40383	87058	11485
2019	41839	97220	12007
2020	42105	101818	12568
2021	41303	109044	13058
2022	39769	133386	12400
2023	37987	133478	11756
2024	38311	152697	12158

Citable documents

Year	United States	China	United Kingdom
1996	26231	5425	7415
1997	25831	7178	7650
1998	25520	7324	7508
1999	24886	8506	7316
2000	25340	9739	7596
2001	24799	10929	7302
2002	28357	11844	7576
2003	27685	13755	7638
2004	30416	18245	7976
2005	31795	23548	8088
2006	33211	28353	8569
2007	32887	31284	8607
2008	35307	34381	8418
2009	32723	37144	8503
2010	34359	39220	8790
2011	36919	45117	9567
2012	35394	49479	9054
2013	36507	55126	9201
2014	36920	63057	9841
2015	38716	69389	10716
2016	37867	71563	10650
2017	38679	75376	10713
2018	39271	86673	11165
2019	40629	96736	11688
2020	40659	101060	12119
2021	40062	108425	12697
2022	38609	132580	12034
2023	36761	132690	11435
2024	37313	151972	11822

Non-citable documents

Year	United States	China	United Kingdom
1996	120	10	20
1997	167	18	22
1998	598	10	65
1999	787	28	100
2000	768	22	92
2001	934	46	162
2002	394	41	156
2003	471	60	156
2004	444	60	123
2005	471	51	116
2006	542	112	189
2007	720	245	239
2008	589	104	167
2009	739	105	222
2010	647	132	242
2011	675	156	218
2012	661	184	221
2013	737	226	243
2014	780	211	239
2015	955	378	231
2016	1115	502	303
2017	1181	378	344
2018	1112	385	320
2019	1210	484	319
2020	1446	758	449
2021	1241	619	361
2022	1160	806	366
2023	1226	788	321
2024	998	725	336

Cited documents

Year	United States	China	United Kingdom
1996	24895	3950	7126
1997	24689	5317	7307
1998	24720	5526	7268
1999	24232	6654	7093
2000	24846	8043	7388
2001	24497	9239	7059
2002	26261	10666	7201
2003	26697	12692	7399
2004	28104	16704	7643
2005	29228	21274	7744
2006	30423	25812	8100
2007	29681	28911	8145
2008	30348	31772	8021
2009	30846	34198	8238
2010	32271	36524	8550
2011	33983	42395	9272
2012	34137	46727	8814
2013	35271	52444	9056
2014	36211	59892	9628
2015	37548	66533	10392
2016	37013	68505	10518
2017	37653	72792	10638
2018	38234	83094	10996
2019	39331	93995	11330
2020	40075	98061	12024
2021	39250	104427	12411
2022	36181	124886	11481
2023	32953	118483	10420
2024	18234	76338	5924

Non-cited documents

Year	United States	China	United Kingdom
1996	1456	1485	309
1997	1309	1879	365
1998	1398	1808	305
1999	1441	1880	323
2000	1262	1718	300
2001	1236	1736	405
2002	2490	1219	531
2003	1459	1123	395
2004	2756	1601	456
2005	3038	2325	460
2006	3330	2653	658
2007	3926	2618	701
2008	5548	2713	564
2009	2616	3051	487
2010	2735	2828	482
2011	3611	2878	513
2012	1918	2936	461
2013	1973	2908	388
2014	1489	3376	452
2015	2123	3234	555
2016	1969	3560	435
2017	2207	2962	419
2018	2149	3964	489
2019	2508	3225	677
2020	2030	3757	544
2021	2053	4617	647
2022	3588	8500	919
2023	5034	14995	1336
2024	20077	76359	6234

Cites

Year	United States	China	United Kingdom
1996	1359726	72302	292446
1997	1241752	96755	316832
1998	1358865	109135	335187
1999	1382595	147006	350809
2000	1524899	187255	362506
2001	1551319	249403	362279
2002	1730722	305247	371982
2003	1841655	404270	417998
2004	2007362	545969	421077
2005	2026040	690604	470922
2006	1988661	857939	450895
2007	1907994	996036	502737
2008	2000663	1144463	465648
2009	2026557	1301955	454658
2010	2221066	1458499	489732
2011	2100763	1720452	515921
2012	2100466	1983639	496711
2013	2046627	2119791	471832
2014	2060132	2449396	516623
2015	2003430	2695028	543342
2016	1876698	2564672	495506
2017	1769719	2852962	487731
2018	1640184	3158150	442331
2019	1483099	3307017	408732
2020	1314606	3052867	385985
2021	926746	2510768	302890
2022	548741	2033937	181936
2023	276530	1147172	92107
2024	59997	286036	20485

External Cites

Year	United States	China	United Kingdom
1996	886880	43438	236647
1997	802331	56509	259641
1998	893319	62426	276904
1999	917870	83459	291972
2000	1030209	101407	303380
2001	1051281	132260	301896
2002	1178720	158732	312563
2003	1254358	207860	351693
2004	1375036	280045	353691
2005	1394587	348281	396517
2006	1364713	436208	376640
2007	1314039	490869	426880
2008	1381671	552846	390917
2009	1408329	614521	377152
2010	1569424	671284	411075
2011	1471662	761469	430956
2012	1476047	851727	417229
2013	1438240	879101	394493
2014	1450310	978205	432545
2015	1419989	1030821	457829
2016	1337166	944974	414136
2017	1269067	1006563	413427
2018	1191167	1038488	375612
2019	1091421	1061441	347181
2020	969904	945434	330016
2021	677711	684839	259753
2022	400555	505882	154788
2023	198722	268403	77613
2024	42087	64233	16955

Self Cites

Year	United States	China	United Kingdom
1996	472846	28864	55799
1997	439421	40246	57191
1998	465546	46709	58283
1999	464725	63547	58837
2000	494690	85848	59126
2001	500038	117143	60383
2002	552002	146515	59419
2003	587297	196410	66305
2004	632326	265924	67386
2005	631453	342323	74405
2006	623948	421731	74255
2007	593955	505167	75857
2008	618992	591617	74731
2009	618228	687434	77506
2010	651642	787215	78657
2011	629101	958983	84965
2012	624419	1131912	79482
2013	608387	1240690	77339
2014	609822	1471191	84078
2015	583441	1664207	85513
2016	539532	1619698	81370
2017	500652	1846399	74304
2018	449017	2119662	66719
2019	391678	2245576	61551
2020	344702	2107433	55969
2021	249035	1825929	43137
2022	148186	1528055	27148
2023	77808	878769	14494
2024	17910	221803	3530

% International Collaboration

Year	United States	China	United Kingdom
1996	25.04	19.52	35.28
1997	24.19	15.62	35.43
1998	24.03	15.54	37.70
1999	23.16	13.48	36.33
2000	24.30	14.48	35.95
2001	24.51	14.09	35.53
2002	24.57	15.19	38.84
2003	27.76	17.34	42.70
2004	27.25	15.70	44.43
2005	27.17	13.79	46.05
2006	27.65	13.81	45.74
2007	28.65	13.80	47.46
2008	28.82	14.35	49.68
2009	31.75	15.20	50.58
2010	32.35	16.38	50.82
2011	33.67	16.64	53.06
2012	36.28	16.48	56.03
2013	37.20	17.06	58.58
2014	40.82	17.98	59.70
2015	42.72	19.01	61.97
2016	44.17	19.64	62.82
2017	45.57	21.31	65.33
2018	46.94	21.75	67.20
2019	47.87	22.31	68.37
2020	47.87	22.78	69.83
2021	47.27	21.01	70.43
2022	47.26	18.46	71.92
2023	47.29	17.71	72.71
2024	48.21	17.18	73.92

% Open Access

Year	United States	China	United Kingdom
1996	8.17	10.51	4.84
1997	11.00	12.01	6.92
1998	10.83	11.15	5.94
1999	9.88	11.82	6.42
2000	9.38	12.39	6.87
2001	9.19	12.49	7.22
2002	10.22	12.01	8.67
2003	10.41	12.52	9.12
2004	11.25	12.11	10.61
2005	12.17	12.83	11.88
2006	14.51	11.61	13.56
2007	17.77	10.42	13.92
2008	23.06	16.77	17.54
2009	26.42	17.77	18.89
2010	26.88	16.69	20.15
2011	27.67	16.59	22.73
2012	29.11	17.92	25.16
2013	29.94	17.29	33.06
2014	34.45	16.24	46.62
2015	40.17	16.83	56.77
2016	44.63	19.29	69.79
2017	47.62	26.21	73.73
2018	50.02	26.87	75.03
2019	51.43	26.10	74.05
2020	55.39	26.75	76.31
2021	59.20	26.89	78.56
2022	61.58	29.58	81.26
2023	62.43	29.72	81.88
2024	53.16	24.36	75.37

Country/Region Comparison