SJR Compare Countries

Documents

Year	United States	China	United Kingdom
1996	21912	3591	4754
1997	21642	3325	4556
1998	22875	4948	4900
1999	23985	4314	5039
2000	23338	5366	5705
2001	24287	7213	5986
2002	26996	8229	6380
2003	28373	8684	6893
2004	29749	11484	7351
2005	29680	17873	7784
2006	32081	19722	8557
2007	31791	24996	8880
2008	31537	23287	9143
2009	33139	29863	9603
2010	34447	30185	9619
2011	34611	32210	10049
2012	34604	36440	9975
2013	35050	37446	10676
2014	35961	39790	10995
2015	38020	42159	11750
2016	41552	52833	13395
2017	41762	60486	13723
2018	43114	64141	14048
2019	43793	74219	14243
2020	43981	75535	14233
2021	42822	83329	14473
2022	44955	105672	15017
2023	44336	114056	14799
2024	39287	106190	14152

Citable documents

Year	United States	China	United Kingdom
1996	21512	3556	4678
1997	21572	3322	4529
1998	22803	4948	4873
1999	23882	4310	4999
2000	23220	5363	5668
2001	24050	7202	5894
2002	26694	8207	6251
2003	28092	8655	6779
2004	29517	11464	7233
2005	29247	17839	7631
2006	31388	19667	8326
2007	30978	24910	8645
2008	30853	23232	8865
2009	32092	29753	9304
2010	33407	30007	9296
2011	33398	32009	9651
2012	33502	36204	9572
2013	33772	37148	10256
2014	34656	39427	10605
2015	36546	41767	11354
2016	39624	52199	12738
2017	39540	59854	13035
2018	40862	63488	13316
2019	41550	73391	13512
2020	41828	74752	13454
2021	40477	82518	13683
2022	42633	104278	14160
2023	42212	112643	14054
2024	37583	104928	13424

Non-citable documents

Year	United States	China	United Kingdom
1996	400	35	76
1997	70	3	27
1998	72	0	27
1999	103	4	40
2000	118	3	37
2001	237	11	92
2002	302	22	129
2003	281	29	114
2004	232	20	118
2005	433	34	153
2006	693	55	231
2007	813	86	235
2008	684	55	278
2009	1047	110	299
2010	1040	178	323
2011	1213	201	398
2012	1102	236	403
2013	1278	298	420
2014	1305	363	390
2015	1474	392	396
2016	1928	634	657
2017	2222	632	688
2018	2252	653	732
2019	2243	828	731
2020	2153	783	779
2021	2345	811	790
2022	2322	1394	857
2023	2124	1413	745
2024	1704	1262	728

Cited documents

Year	United States	China	United Kingdom
1996	18201	2189	3966
1997	18368	2369	3915
1998	19300	3123	4229
1999	20279	3156	4466
2000	20129	3878	5021
2001	20705	5060	5191
2002	23153	5891	5621
2003	24495	6583	6003
2004	25809	9063	6481
2005	25556	13128	6756
2006	27458	14970	7519
2007	27514	19014	7803
2008	27533	18178	8068
2009	28681	22395	8489
2010	29648	23272	8477
2011	29613	24061	8738
2012	30073	27712	8785
2013	30233	29331	9412
2014	30982	31966	9631
2015	32450	34049	10267
2016	35575	41871	11704
2017	35899	48627	11990
2018	36946	51545	12345
2019	36998	59188	12462
2020	37142	59931	12408
2021	34707	62144	12195
2022	34026	71066	11873
2023	27385	60407	9683
2024	10994	29651	4727

Non-cited documents

Year	United States	China	United Kingdom
1996	3711	1402	788
1997	3274	956	641
1998	3575	1825	671
1999	3706	1158	573
2000	3209	1488	684
2001	3582	2153	795
2002	3843	2338	759
2003	3878	2101	890
2004	3940	2421	870
2005	4124	4745	1028
2006	4623	4752	1038
2007	4277	5982	1077
2008	4004	5109	1075
2009	4458	7468	1114
2010	4799	6913	1142
2011	4998	8149	1311
2012	4531	8728	1190
2013	4817	8115	1264
2014	4979	7824	1364
2015	5570	8110	1483
2016	5977	10962	1691
2017	5863	11859	1733
2018	6168	12596	1703
2019	6795	15031	1781
2020	6839	15604	1825
2021	8115	21185	2278
2022	10929	34606	3144
2023	16951	53649	5116
2024	28293	76539	9425

Cites

Year	United States	China	United Kingdom
1996	634926	35342	127595
1997	657401	41974	130149
1998	767947	46183	172343
1999	813268	56205	153122
2000	782915	66070	177805
2001	824568	82280	185000
2002	900493	106707	226825
2003	984930	132492	202074
2004	965353	169007	213444
2005	887588	211538	217172
2006	956736	230328	241138
2007	932481	308479	276844
2008	929378	314118	271700
2009	992626	406347	338941
2010	978717	392537	262196
2011	983796	398073	292015
2012	814667	467836	236794
2013	814041	472297	237282
2014	796826	535629	242862
2015	743382	575314	240164
2016	802841	674631	296573
2017	739870	722248	268707
2018	734912	821331	275420
2019	613712	835968	221677
2020	559828	824063	208192
2021	408209	680368	156343
2022	272498	607506	110902
2023	137419	349418	60020
2024	27050	87761	13333

External Cites

Year	United States	China	United Kingdom
1996	408172	17648	101846
1997	432676	20166	104327
1998	504899	21042	139251
1999	526344	25439	122852
2000	516545	29119	141853
2001	538874	33496	150238
2002	592546	42794	183364
2003	650677	54995	163368
2004	626780	70003	171210
2005	573159	82368	173411
2006	614596	91546	191781
2007	603454	126555	224436
2008	586665	126205	215137
2009	636270	174410	274283
2010	619533	153750	205740
2011	624100	152607	232999
2012	506098	174504	186242
2013	511205	167559	184092
2014	498023	192097	188959
2015	464743	198488	187159
2016	513703	246015	235279
2017	479317	251679	212710
2018	481249	279892	221707
2019	399437	285290	176293
2020	369202	272973	166143
2021	263927	204660	124368
2022	176357	170668	88103
2023	87931	94171	47183
2024	16753	22947	10005

Self Cites

Year	United States	China	United Kingdom
1996	226754	17694	25749
1997	224725	21808	25822
1998	263048	25141	33092
1999	286924	30766	30270
2000	266370	36951	35952
2001	285694	48784	34762
2002	307947	63913	43461
2003	334253	77497	38706
2004	338573	99004	42234
2005	314429	129170	43761
2006	342140	138782	49357
2007	329027	181924	52408
2008	342713	187913	56563
2009	356356	231937	64658
2010	359184	238787	56456
2011	359696	245466	59016
2012	308569	293332	50552
2013	302836	304738	53190
2014	298803	343532	53903
2015	278639	376826	53005
2016	289138	428616	61294
2017	260553	470569	55997
2018	253663	541439	53713
2019	214275	550678	45384
2020	190626	551090	42049
2021	144282	475708	31975
2022	96141	436838	22799
2023	49488	255247	12837
2024	10297	64814	3328

% International Collaboration

Year	United States	China	United Kingdom
1996	21.06	16.60	30.84
1997	22.11	20.99	31.83
1998	22.11	17.97	33.18
1999	19.75	20.38	31.57
2000	22.88	19.34	32.73
2001	24.90	17.15	35.18
2002	25.52	17.77	36.83
2003	28.45	22.81	40.13
2004	28.58	21.06	42.50
2005	29.66	16.74	43.14
2006	30.67	17.35	44.85
2007	33.06	16.59	46.68
2008	34.77	17.99	48.04
2009	33.56	16.93	48.71
2010	33.48	17.48	50.35
2011	34.55	17.52	51.46
2012	37.26	18.14	53.44
2013	38.34	19.93	55.93
2014	39.25	21.13	57.04
2015	39.05	22.28	57.08
2016	40.51	21.58	59.40
2017	41.53	21.19	61.31
2018	42.79	22.82	62.81
2019	43.45	22.43	64.85
2020	44.00	23.31	66.28
2021	43.37	21.02	67.23
2022	43.63	19.16	67.45
2023	43.10	17.33	67.53
2024	46.28	18.79	71.17

% Open Access

Year	United States	China	United Kingdom
1996	24.48	19.94	20.24
1997	23.08	19.07	20.74
1998	22.33	16.57	21.57
1999	24.44	20.31	25.02
2000	25.58	17.78	25.59
2001	24.10	17.93	24.01
2002	24.75	17.32	27.79
2003	26.38	21.81	28.19
2004	26.94	20.04	28.15
2005	27.82	16.50	30.25
2006	28.76	19.14	31.52
2007	32.26	19.35	35.44
2008	33.25	22.03	36.38
2009	36.32	21.03	40.25
2010	35.58	20.16	39.73
2011	37.23	22.31	40.24
2012	37.31	25.93	41.60
2013	39.29	34.08	44.77
2014	40.26	33.91	48.61
2015	41.83	31.70	54.66
2016	41.45	24.79	57.39
2017	42.48	23.64	60.80
2018	44.57	26.11	62.81
2019	47.15	26.44	63.88
2020	50.64	30.58	67.06
2021	52.36	29.25	68.48
2022	51.16	32.98	66.48
2023	50.31	26.03	65.73
2024	46.83	30.49	60.43

Country/Region Comparison