SJR Compare Countries

Documents

Year	United States	China	United Kingdom
1996	135478	4696	35189
1997	135752	5679	37188
1998	130355	6899	37652
1999	131716	7589	37932
2000	134732	8425	41418
2001	137426	9317	39976
2002	140191	13139	40322
2003	146093	17262	42193
2004	155394	21893	44072
2005	165915	28850	45984
2006	173327	33037	49037
2007	175926	37550	50884
2008	179155	42574	51036
2009	187139	47790	53090
2010	190636	51632	53063
2011	197497	54808	54995
2012	207289	63900	57369
2013	215231	73788	59922
2014	219739	84324	60853
2015	228990	93728	64362
2016	234139	101272	65007
2017	238925	109056	66173
2018	246796	115905	68099
2019	250539	143438	70484
2020	275655	182236	78585
2021	297793	204349	87737
2022	274472	244351	81563
2023	267254	232415	76456
2024	276488	250922	77664

Citable documents

Year	United States	China	United Kingdom
1996	128967	4670	31386
1997	129077	5660	33245
1998	122169	6875	33069
1999	121303	7558	32362
2000	124294	8365	35368
2001	126271	9252	33871
2002	128062	13072	34288
2003	132120	16868	35635
2004	140399	21725	37305
2005	148651	28657	39080
2006	153401	32681	41037
2007	155284	37129	42844
2008	157661	41955	43051
2009	164444	46945	44700
2010	167295	50604	44736
2011	173863	53456	46338
2012	183388	62236	48643
2013	189052	71546	50961
2014	191888	81757	51474
2015	198592	91016	54437
2016	202049	98220	54889
2017	206188	105574	56006
2018	212992	112151	58159
2019	216741	139134	60330
2020	235701	175116	66171
2021	258210	197915	75381
2022	240568	236369	70797
2023	231610	222756	66066
2024	242611	240228	67965

Non-citable documents

Year	United States	China	United Kingdom
1996	6511	26	3803
1997	6675	19	3943
1998	8186	24	4583
1999	10413	31	5570
2000	10438	60	6050
2001	11155	65	6105
2002	12129	67	6034
2003	13973	394	6558
2004	14995	168	6767
2005	17264	193	6904
2006	19926	356	8000
2007	20642	421	8040
2008	21494	619	7985
2009	22695	845	8390
2010	23341	1028	8327
2011	23634	1352	8657
2012	23901	1664	8726
2013	26179	2242	8961
2014	27851	2567	9379
2015	30398	2712	9925
2016	32090	3052	10118
2017	32737	3482	10167
2018	33804	3754	9940
2019	33798	4304	10154
2020	39954	7120	12414
2021	39583	6434	12356
2022	33904	7982	10766
2023	35644	9659	10390
2024	33877	10694	9699

Cited documents

Year	United States	China	United Kingdom
1996	113624	3139	30344
1997	116412	3631	31394
1998	114529	4579	32046
1999	117563	5323	32996
2000	121991	6237	35786
2001	124213	6871	34984
2002	126958	9849	35473
2003	132820	12957	36947
2004	141077	15962	38863
2005	148663	19976	40467
2006	154456	23326	42845
2007	156322	26616	44580
2008	160424	30678	44738
2009	167117	35208	46656
2010	171512	39606	47002
2011	178831	44340	49039
2012	186884	52839	51199
2013	194656	62038	53951
2014	201289	72268	54733
2015	208419	82082	57990
2016	213590	88259	58910
2017	217672	97017	60071
2018	224235	105865	62060
2019	226624	127407	63870
2020	248004	156868	71371
2021	262157	174009	78403
2022	230696	201944	70105
2023	195447	169186	58604
2024	99224	86006	31176

Non-cited documents

Year	United States	China	United Kingdom
1996	21854	1557	4845
1997	19340	2048	5794
1998	15826	2320	5606
1999	14153	2266	4936
2000	12741	2188	5632
2001	13213	2446	4992
2002	13233	3290	4849
2003	13273	4305	5246
2004	14317	5931	5209
2005	17252	8874	5517
2006	18871	9711	6192
2007	19604	10934	6304
2008	18731	11896	6298
2009	20022	12582	6434
2010	19124	12026	6061
2011	18666	10468	5956
2012	20405	11061	6170
2013	20575	11750	5971
2014	18450	12056	6120
2015	20571	11646	6372
2016	20549	13013	6097
2017	21253	12039	6102
2018	22561	10040	6039
2019	23915	16031	6614
2020	27651	25368	7214
2021	35636	30340	9334
2022	43776	42407	11458
2023	71807	63229	17852
2024	177264	164916	46488

Cites

Year	United States	China	United Kingdom
1996	5880545	55860	1387956
1997	6435211	73175	1533108
1998	6749599	81711	1673011
1999	7060295	106379	1724556
2000	8149337	124043	2078105
2001	8123014	151707	1998046
2002	8467239	222236	2184904
2003	8913622	285733	2313979
2004	9263185	411205	2382422
2005	9490918	521597	2473242
2006	9366805	582866	2441915
2007	9295887	708302	2557289
2008	9285945	867062	2540925
2009	9486676	1058153	2658048
2010	9271090	1229987	2616381
2011	9083997	1360913	2614695
2012	8832742	1596608	2589528
2013	8610270	1860040	2637282
2014	8453844	2126237	2607767
2015	8331199	2389648	2619905
2016	7841972	2497461	2512646
2017	7461653	2803934	2477929
2018	6871003	2989635	2242514
2019	6007554	3196181	1997364
2020	5902273	3839449	2113630
2021	4387190	2713781	1626849
2022	2421597	2103667	913205
2023	1177576	1043520	427029
2024	265598	230353	95981

External Cites

Year	United States	China	United Kingdom
1996	3134425	39905	1091854
1997	3454533	53670	1212045
1998	3634293	55084	1332051
1999	3825346	71644	1376377
2000	4539613	79011	1672225
2001	4475421	95004	1601312
2002	4685952	137772	1765803
2003	4964823	176644	1875262
2004	5192917	257343	1926323
2005	5334747	318067	2006580
2006	5248111	340209	1970683
2007	5226332	416066	2070614
2008	5260299	517035	2050267
2009	5385726	616998	2146394
2010	5289886	704914	2118545
2011	5188157	766000	2103439
2012	5030150	871156	2078013
2013	4928350	992350	2114571
2014	4858226	1099565	2102220
2015	4866598	1212312	2115364
2016	4626222	1207126	2030498
2017	4475124	1319487	2018712
2018	4149141	1325817	1820166
2019	3658368	1358901	1619565
2020	3679145	1890397	1730518
2021	2697438	1075461	1316235
2022	1449416	763691	733651
2023	688911	366452	339015
2024	150984	79195	73786

Self Cites

Year	United States	China	United Kingdom
1996	2746120	15955	296102
1997	2980678	19505	321063
1998	3115306	26627	340960
1999	3234949	34735	348179
2000	3609724	45032	405880
2001	3647593	56703	396734
2002	3781287	84464	419101
2003	3948799	109089	438717
2004	4070268	153862	456099
2005	4156171	203530	466662
2006	4118694	242657	471232
2007	4069555	292236	486675
2008	4025646	350027	490658
2009	4100950	441155	511654
2010	3981204	525073	497836
2011	3895840	594913	511256
2012	3802592	725452	511515
2013	3681920	867690	522711
2014	3595618	1026672	505547
2015	3464601	1177336	504541
2016	3215750	1290335	482148
2017	2986529	1484447	459217
2018	2721862	1663818	422348
2019	2349186	1837280	377799
2020	2223128	1949052	383112
2021	1689752	1638320	310614
2022	972181	1339976	179554
2023	488665	677068	88014
2024	114614	151158	22195

% International Collaboration

Year	United States	China	United Kingdom
1996	14.25	18.74	21.24
1997	13.62	16.92	20.64
1998	15.87	16.06	22.21
1999	14.60	15.00	21.21
2000	15.25	15.11	21.65
2001	14.24	14.55	21.17
2002	15.35	12.91	23.19
2003	19.04	13.86	28.54
2004	20.70	14.08	31.36
2005	20.99	13.18	32.10
2006	20.90	13.62	31.55
2007	23.07	14.09	33.62
2008	25.27	15.26	36.42
2009	23.98	15.95	36.45
2010	24.59	17.19	38.60
2011	25.20	18.82	39.86
2012	25.75	17.96	41.06
2013	26.84	18.48	43.22
2014	28.39	18.55	46.00
2015	29.51	19.11	48.73
2016	30.58	19.71	51.15
2017	31.71	20.47	53.42
2018	32.66	22.10	55.66
2019	33.77	20.42	57.12
2020	34.52	18.41	59.22
2021	35.08	17.53	60.80
2022	36.98	15.45	62.72
2023	35.82	14.63	63.92
2024	35.75	14.01	64.54

% Open Access

Year	United States	China	United Kingdom
1996	21.84	18.72	29.26
1997	24.07	18.54	30.67
1998	25.75	22.34	32.35
1999	26.12	22.43	33.54
2000	26.03	23.41	33.23
2001	25.90	22.90	33.95
2002	26.43	24.01	34.75
2003	27.88	27.57	36.25
2004	28.47	26.76	37.10
2005	29.02	25.85	37.10
2006	31.07	26.70	36.99
2007	33.56	26.91	39.21
2008	40.71	30.94	38.81
2009	45.45	31.93	41.38
2010	47.12	30.26	42.98
2011	48.53	31.83	44.96
2012	50.26	35.87	46.28
2013	51.89	39.66	49.10
2014	54.52	42.94	54.72
2015	55.62	46.37	59.54
2016	56.22	48.52	66.85
2017	56.96	51.49	70.68
2018	58.96	54.60	73.47
2019	60.59	55.26	74.33
2020	63.99	59.32	77.16
2021	66.09	62.56	78.50
2022	66.74	65.79	79.54
2023	63.90	61.52	78.57
2024	49.28	56.61	70.43

Country/Region Comparison