SJR Compare Countries

Documents

Year	United States	China	United Kingdom
1996	33482	7947	7940
1997	33959	8620	8228
1998	33226	9972	8055
1999	33866	9168	8097
2000	33996	11436	8594
2001	33567	13938	8398
2002	37554	14585	8975
2003	36590	16055	8721
2004	38346	21233	9188
2005	41483	34143	9652
2006	42098	38435	9994
2007	40764	43754	9986
2008	41910	47511	10539
2009	40897	54352	10264
2010	41728	52448	9644
2011	43104	59921	10374
2012	44621	61252	10652
2013	43793	67965	10266
2014	46479	76222	11315
2015	47569	84804	12500
2016	48664	89308	12738
2017	48718	102610	13203
2018	49282	118742	13624
2019	49208	140168	14326
2020	48645	144248	14859
2021	44507	145763	14360
2022	43331	173696	14157
2023	40175	182727	13459
2024	39875	205969	13400

Citable documents

Year	United States	China	United Kingdom
1996	33349	7935	7910
1997	33826	8608	8205
1998	33057	9961	8014
1999	33752	9148	8066
2000	33879	11424	8573
2001	33147	13888	8293
2002	36974	14542	8877
2003	36033	15985	8600
2004	37850	21170	9097
2005	40493	34080	9458
2006	41315	38294	9779
2007	39915	43480	9715
2008	41156	47357	10332
2009	40265	54097	10077
2010	40982	52219	9421
2011	42374	59683	10148
2012	43805	61010	10368
2013	43047	67645	9980
2014	45622	75845	11027
2015	46707	84359	12201
2016	47453	88776	12384
2017	47583	102110	12846
2018	48085	118143	13283
2019	47995	139385	13939
2020	47500	143442	14469
2021	43393	144983	13988
2022	42184	172462	13742
2023	39111	181611	13123
2024	38858	204923	13058

Non-citable documents

Year	United States	China	United Kingdom
1996	133	12	30
1997	133	12	23
1998	169	11	41
1999	114	20	31
2000	117	12	21
2001	420	50	105
2002	580	43	98
2003	557	70	121
2004	496	63	91
2005	990	63	194
2006	783	141	215
2007	849	274	271
2008	754	154	207
2009	632	255	187
2010	746	229	223
2011	730	238	226
2012	816	242	284
2013	746	320	286
2014	857	377	288
2015	862	445	299
2016	1211	532	354
2017	1135	500	357
2018	1197	599	341
2019	1213	783	387
2020	1145	806	390
2021	1114	780	372
2022	1147	1234	415
2023	1064	1116	336
2024	1017	1046	342

Cited documents

Year	United States	China	United Kingdom
1996	27052	5053	6968
1997	28283	6085	7231
1998	27835	6572	7046
1999	28048	6942	7216
2000	28106	8818	7570
2001	28324	10504	7365
2002	30847	11429	7693
2003	30074	13143	7513
2004	32174	17752	8101
2005	33879	25835	8134
2006	34206	30118	8452
2007	33156	34394	8347
2008	33928	37989	8810
2009	33881	42927	8584
2010	35419	43279	8450
2011	36270	49327	8811
2012	37196	52078	9126
2013	36457	58466	8910
2014	39090	66146	9781
2015	40242	73356	10751
2016	41842	77946	11318
2017	42330	90079	11828
2018	43782	105664	12421
2019	43173	125961	12899
2020	43609	130267	13634
2021	39543	130644	12977
2022	36554	148295	12259
2023	31062	141791	10741
2024	17417	89876	6351

Non-cited documents

Year	United States	China	United Kingdom
1996	6430	2894	972
1997	5676	2535	997
1998	5391	3400	1009
1999	5818	2226	881
2000	5890	2618	1024
2001	5243	3434	1033
2002	6707	3156	1282
2003	6516	2912	1208
2004	6172	3481	1087
2005	7604	8308	1518
2006	7892	8317	1542
2007	7608	9360	1639
2008	7982	9522	1729
2009	7016	11425	1680
2010	6309	9169	1194
2011	6834	10594	1563
2012	7425	9174	1526
2013	7336	9499	1356
2014	7389	10076	1534
2015	7327	11448	1749
2016	6822	11362	1420
2017	6388	12531	1375
2018	5500	13078	1203
2019	6035	14207	1427
2020	5036	13981	1225
2021	4964	15119	1383
2022	6777	25401	1898
2023	9113	40936	2718
2024	22458	116093	7049

Cites

Year	United States	China	United Kingdom
1996	930100	72786	210083
1997	945644	95913	225616
1998	1000849	106991	258644
1999	1029581	138035	263616
2000	1103850	187911	310494
2001	1189031	231026	299057
2002	1235121	292031	320549
2003	1374855	368632	327704
2004	1446211	465483	343600
2005	1517928	602462	372414
2006	1508575	742072	371086
2007	1536846	841135	413000
2008	1626269	986610	377957
2009	1658837	1160947	410735
2010	1836403	1309360	403328
2011	1752475	1513118	384407
2012	1720315	1673074	382491
2013	1654881	1826565	385049
2014	1709799	2127312	427547
2015	1690856	2369460	427927
2016	1691869	2502810	433667
2017	1669247	2978309	445887
2018	1611492	3409889	427927
2019	1403057	3652445	389504
2020	1215036	3383691	375506
2021	850014	2768893	277474
2022	500720	2191434	178623
2023	244357	1247093	92585
2024	56427	333978	22123

External Cites

Year	United States	China	United Kingdom
1996	618773	41931	170962
1997	621354	53642	184165
1998	665658	57529	214078
1999	691305	73962	218085
2000	752257	100093	260015
2001	808904	118671	249099
2002	838367	148569	270044
2003	938504	193123	275222
2004	986373	233344	288353
2005	1043549	297848	313956
2006	1035153	362579	309454
2007	1054835	395897	352026
2008	1122047	463304	314339
2009	1145414	531792	345297
2010	1273031	589921	339787
2011	1228934	653333	321511
2012	1201229	700652	319112
2013	1163185	734480	322682
2014	1209776	815545	360633
2015	1212852	866117	360800
2016	1225405	876374	366489
2017	1234017	1009737	381171
2018	1207181	1097287	365591
2019	1061285	1176588	333540
2020	921243	1055704	321738
2021	643122	743486	238668
2022	374319	522793	152875
2023	180964	282571	78845
2024	40450	72435	18577

Self Cites

Year	United States	China	United Kingdom
1996	311327	30855	39121
1997	324290	42271	41451
1998	335191	49462	44566
1999	338276	64073	45531
2000	351593	87818	50479
2001	380127	112355	49958
2002	396754	143462	50505
2003	436351	175509	52482
2004	459838	232139	55247
2005	474379	304614	58458
2006	473422	379493	61632
2007	482011	445238	60974
2008	504222	523306	63618
2009	513423	629155	65438
2010	563372	719439	63541
2011	523541	859785	62896
2012	519086	972422	63379
2013	491696	1092085	62367
2014	500023	1311767	66914
2015	478004	1503343	67127
2016	466464	1626436	67178
2017	435230	1968572	64716
2018	404311	2312602	62336
2019	341772	2475857	55964
2020	293793	2327987	53768
2021	206892	2025407	38806
2022	126401	1668641	25748
2023	63393	964522	13740
2024	15977	261543	3546

% International Collaboration

Year	United States	China	United Kingdom
1996	19.59	13.87	32.03
1997	19.54	16.76	34.20
1998	19.91	13.97	34.53
1999	18.69	16.00	33.91
2000	20.75	16.28	35.35
2001	22.63	14.24	36.22
2002	25.11	17.04	40.67
2003	27.09	18.95	43.21
2004	27.56	16.98	44.70
2005	27.31	12.73	45.81
2006	29.41	13.08	46.59
2007	30.65	12.88	49.14
2008	32.18	12.95	49.75
2009	31.23	13.01	50.36
2010	31.80	14.28	52.77
2011	33.45	14.72	52.54
2012	34.96	15.55	55.20
2013	35.52	15.92	57.42
2014	38.14	16.76	59.39
2015	40.01	18.22	60.26
2016	41.57	19.02	62.05
2017	43.54	20.31	64.93
2018	46.70	21.08	68.47
2019	47.58	21.50	69.06
2020	48.37	21.89	71.38
2021	47.48	19.84	71.47
2022	46.62	17.46	71.88
2023	46.26	15.91	73.54
2024	47.80	15.87	76.08

% Open Access

Year	United States	China	United Kingdom
1996	11.56	10.41	6.74
1997	12.46	10.42	8.08
1998	11.48	11.59	7.96
1999	12.56	11.51	8.63
2000	14.47	11.31	9.29
2001	12.69	12.07	9.86
2002	13.91	10.95	12.14
2003	14.21	11.31	12.33
2004	14.33	12.94	14.00
2005	15.07	14.13	15.97
2006	15.07	13.68	17.18
2007	15.86	13.08	17.56
2008	18.88	17.59	21.75
2009	21.07	17.27	22.09
2010	22.62	16.71	24.76
2011	23.60	16.01	26.34
2012	25.18	17.00	27.99
2013	24.74	16.07	31.69
2014	27.66	15.79	42.62
2015	33.69	18.13	50.56
2016	36.53	20.87	61.06
2017	38.90	23.98	65.78
2018	41.89	28.68	68.14
2019	44.61	32.60	69.15
2020	48.65	33.90	71.82
2021	51.03	29.41	71.81
2022	51.89	29.72	72.14
2023	51.46	30.40	71.40
2024	41.92	26.13	64.09

Country/Region Comparison