SJR Compare Countries

Documents

Year	United States	China	United Kingdom
1996	1950	125	655
1997	1956	135	692
1998	1896	131	741
1999	2011	128	905
2000	2183	208	1016
2001	2185	214	992
2002	2257	199	931
2003	2458	231	830
2004	2452	280	902
2005	2477	355	946
2006	2484	450	925
2007	2416	551	1029
2008	2479	620	1024
2009	2701	699	980
2010	2676	753	966
2011	2754	807	973
2012	2915	846	1141
2013	2918	948	1218
2014	2863	987	1092
2015	3041	927	1189
2016	2913	933	1205
2017	2976	902	1285
2018	3094	937	1338
2019	3143	1560	1446
2020	3106	1775	1790
2021	3315	1911	1634
2022	2894	2237	1690
2023	3273	2520	1561
2024	3827	3283	1539

Citable documents

Year	United States	China	United Kingdom
1996	1921	125	652
1997	1941	135	682
1998	1873	131	703
1999	1942	128	746
2000	2122	208	805
2001	2139	214	830
2002	2184	198	745
2003	2301	230	767
2004	2260	280	824
2005	2265	355	834
2006	2262	450	818
2007	2178	550	938
2008	2240	616	946
2009	2453	696	872
2010	2405	744	847
2011	2436	801	835
2012	2590	831	982
2013	2651	925	1056
2014	2573	952	940
2015	2639	893	959
2016	2578	895	987
2017	2681	877	1074
2018	2810	918	1163
2019	2887	1532	1128
2020	2778	1714	1216
2021	3006	1867	1201
2022	2638	2169	1285
2023	2942	2473	1194
2024	3501	3210	1218

Non-citable documents

Year	United States	China	United Kingdom
1996	29	0	3
1997	15	0	10
1998	23	0	38
1999	69	0	159
2000	61	0	211
2001	46	0	162
2002	73	1	186
2003	157	1	63
2004	192	0	78
2005	212	0	112
2006	222	0	107
2007	238	1	91
2008	239	4	78
2009	248	3	108
2010	271	9	119
2011	318	6	138
2012	325	15	159
2013	267	23	162
2014	290	35	152
2015	402	34	230
2016	335	38	218
2017	295	25	211
2018	284	19	175
2019	256	28	318
2020	328	61	574
2021	309	44	433
2022	256	68	405
2023	331	47	367
2024	326	73	321

Cited documents

Year	United States	China	United Kingdom
1996	1791	78	638
1997	1822	89	666
1998	1768	80	698
1999	1854	88	743
2000	1999	137	816
2001	1987	147	808
2002	2012	151	767
2003	2176	164	748
2004	2089	196	810
2005	2179	250	843
2006	2197	330	823
2007	2157	408	928
2008	2222	493	941
2009	2359	565	890
2010	2410	610	862
2011	2460	666	865
2012	2596	730	982
2013	2599	824	1062
2014	2601	860	956
2015	2682	817	1008
2016	2576	838	1014
2017	2597	846	1099
2018	2728	877	1128
2019	2770	1353	1116
2020	2682	1484	1272
2021	2826	1552	1184
2022	2303	1758	1142
2023	2263	1793	916
2024	1331	1125	460

Non-cited documents

Year	United States	China	United Kingdom
1996	159	47	17
1997	134	46	26
1998	128	51	43
1999	157	40	162
2000	184	71	200
2001	198	67	184
2002	245	48	164
2003	282	67	82
2004	363	84	92
2005	298	105	103
2006	287	120	102
2007	259	143	101
2008	257	127	83
2009	342	134	90
2010	266	143	104
2011	294	141	108
2012	319	116	159
2013	319	124	156
2014	262	127	136
2015	359	110	181
2016	337	95	191
2017	379	56	186
2018	366	60	210
2019	373	207	330
2020	424	291	518
2021	489	359	450
2022	591	479	548
2023	1010	727	645
2024	2496	2158	1079

Cites

Year	United States	China	United Kingdom
1996	73563	903	21089
1997	79016	1326	22807
1998	75947	1064	23566
1999	72568	1416	28033
2000	89487	2346	31927
2001	86683	2403	32591
2002	92181	2761	32635
2003	99146	3603	29600
2004	91345	4000	36870
2005	99947	4255	32432
2006	92321	6106	32450
2007	92843	7675	33859
2008	104699	11633	35777
2009	92645	14218	32720
2010	97801	17399	28147
2011	89289	18169	27928
2012	82720	20947	29783
2013	79663	19243	29934
2014	81224	21214	27596
2015	74746	20785	26326
2016	62845	17182	21752
2017	62648	18216	26274
2018	70062	20844	27663
2019	51612	21441	18852
2020	46543	26098	21424
2021	33383	16899	14178
2022	18156	13218	8293
2023	11038	8318	4588
2024	3174	2521	997

External Cites

Year	United States	China	United Kingdom
1996	50245	739	17295
1997	53708	1085	18475
1998	51692	912	19082
1999	49920	1266	23183
2000	63383	1973	26388
2001	61896	2061	27028
2002	65930	2177	27826
2003	71107	3060	24668
2004	66491	3126	31580
2005	71772	3362	27077
2006	67151	4645	27099
2007	66971	5937	28143
2008	76226	8612	29777
2009	66533	10641	26997
2010	70202	13528	23161
2011	63694	13357	22695
2012	58276	15528	24721
2013	57066	13520	24620
2014	58845	14581	23054
2015	54154	13812	21399
2016	45314	11446	17875
2017	45921	11566	21822
2018	52622	13656	23680
2019	38388	12468	15400
2020	34604	16839	17902
2021	24710	9118	11612
2022	13231	6651	6739
2023	7687	4096	3661
2024	2127	1190	749

Self Cites

Year	United States	China	United Kingdom
1996	23318	164	3794
1997	25308	241	4332
1998	24255	152	4484
1999	22648	150	4850
2000	26104	373	5539
2001	24787	342	5563
2002	26251	584	4809
2003	28039	543	4932
2004	24854	874	5290
2005	28175	893	5355
2006	25170	1461	5351
2007	25872	1738	5716
2008	28473	3021	6000
2009	26112	3577	5723
2010	27599	3871	4986
2011	25595	4812	5233
2012	24444	5419	5062
2013	22597	5723	5314
2014	22379	6633	4542
2015	20592	6973	4927
2016	17531	5736	3877
2017	16727	6650	4452
2018	17440	7188	3983
2019	13224	8973	3452
2020	11939	9259	3522
2021	8673	7781	2566
2022	4925	6567	1554
2023	3351	4222	927
2024	1047	1331	248

% International Collaboration

Year	United States	China	United Kingdom
1996	24.97	9.60	18.93
1997	17.94	12.59	16.91
1998	21.04	6.87	17.27
1999	19.54	13.28	13.48
2000	20.02	13.46	15.16
2001	20.37	17.76	18.25
2002	22.15	18.09	25.03
2003	26.28	14.72	27.23
2004	30.30	17.14	31.60
2005	29.51	16.34	28.65
2006	30.07	11.33	28.43
2007	31.75	15.79	26.14
2008	39.65	20.65	32.71
2009	30.17	17.17	31.02
2010	32.06	21.91	30.95
2011	33.70	22.43	37.00
2012	33.07	24.59	33.22
2013	37.59	23.84	36.45
2014	37.76	24.52	35.99
2015	37.65	24.27	34.90
2016	40.47	22.08	36.60
2017	40.66	29.05	36.03
2018	44.09	32.34	41.70
2019	46.90	20.38	37.69
2020	46.94	20.11	36.26
2021	46.73	18.11	38.07
2022	50.00	17.30	35.15
2023	50.08	15.36	43.50
2024	51.06	13.28	44.90

% Open Access

Year	United States	China	United Kingdom
1996	12.56	19.20	7.18
1997	12.32	16.30	7.51
1998	13.50	20.61	9.31
1999	14.92	17.97	7.29
2000	12.69	21.63	12.70
2001	11.30	22.43	16.13
2002	13.16	19.10	20.95
2003	14.04	17.75	22.89
2004	14.60	16.79	26.72
2005	14.37	18.59	28.96
2006	19.97	19.11	26.70
2007	20.12	15.06	27.60
2008	26.70	16.77	26.37
2009	29.25	15.16	27.86
2010	31.73	17.26	28.47
2011	36.60	23.05	34.12
2012	37.77	28.37	33.48
2013	39.10	29.32	34.15
2014	40.69	28.88	37.27
2015	40.87	32.36	31.46
2016	39.72	31.40	38.26
2017	38.64	29.38	40.47
2018	41.21	35.01	47.16
2019	40.79	38.59	49.10
2020	44.72	40.06	62.79
2021	45.97	44.27	59.12
2022	49.10	45.28	58.99
2023	48.95	47.58	61.24
2024	43.77	44.93	57.24

Country/Region Comparison