SJR Compare Countries

Documents

Year	United States	China	United Kingdom
1996	67070	2971	15539
1997	64528	3380	15640
1998	61992	3817	15448
1999	60568	4392	15099
2000	60304	4626	15222
2001	62116	5451	15098
2002	63462	6445	15243
2003	66720	7816	16008
2004	70314	9723	16778
2005	72398	12492	16762
2006	74499	15751	17463
2007	77397	20751	17754
2008	76232	23969	18108
2009	80656	28219	18899
2010	79891	28811	18676
2011	82144	32152	19471
2012	84632	37508	19484
2013	84816	46085	19710
2014	83393	54399	20044
2015	83484	58781	20902
2016	82270	61930	20930
2017	83406	65122	21096
2018	85553	75633	22109
2019	86389	87040	22522
2020	89704	98312	24270
2021	95869	109697	26855
2022	89961	125199	24530
2023	84554	120857	23063
2024	84112	138591	23121

Citable documents

Year	United States	China	United Kingdom
1996	66098	2964	15198
1997	63538	3375	15331
1998	60421	3808	15031
1999	58455	4373	14508
2000	58075	4595	14559
2001	59658	5421	14370
2002	61357	6419	14621
2003	64687	7786	15356
2004	68066	9691	16047
2005	69785	12445	15956
2006	71373	15670	16529
2007	73983	20654	16762
2008	72224	23839	16981
2009	76371	27963	17732
2010	74882	28572	17454
2011	76144	31649	17902
2012	79735	36992	18223
2013	79833	45483	18410
2014	78479	53614	18797
2015	78346	58023	19615
2016	76100	60984	19368
2017	75808	63798	19158
2018	77566	74325	20158
2019	78774	85196	20553
2020	81864	96068	22121
2021	88402	107549	24711
2022	81760	122813	22323
2023	76555	118237	20980
2024	77419	136220	21329

Non-citable documents

Year	United States	China	United Kingdom
1996	972	7	341
1997	990	5	309
1998	1571	9	417
1999	2113	19	591
2000	2229	31	663
2001	2458	30	728
2002	2105	26	622
2003	2033	30	652
2004	2248	32	731
2005	2613	47	806
2006	3126	81	934
2007	3414	97	992
2008	4008	130	1127
2009	4285	256	1167
2010	5009	239	1222
2011	6000	503	1569
2012	4897	516	1261
2013	4983	602	1300
2014	4914	785	1247
2015	5138	758	1287
2016	6170	946	1562
2017	7598	1324	1938
2018	7987	1308	1951
2019	7615	1844	1969
2020	7840	2244	2149
2021	7467	2148	2144
2022	8201	2386	2207
2023	7999	2620	2083
2024	6693	2371	1792

Cited documents

Year	United States	China	United Kingdom
1996	58462	2206	14603
1997	57954	2618	14523
1998	57531	2985	14697
1999	57890	3429	14611
2000	58325	3663	14588
2001	59782	4503	14453
2002	61642	5567	14643
2003	64795	6871	15450
2004	68072	8766	16150
2005	69190	11139	16094
2006	70814	13978	16672
2007	72558	17011	16902
2008	72206	19849	17265
2009	75358	23429	17973
2010	75925	25493	17984
2011	78368	29131	18620
2012	80434	34573	18755
2013	79960	41707	18912
2014	80145	49319	19257
2015	79837	54835	20036
2016	78968	57086	20170
2017	79712	60268	20303
2018	81996	71811	21157
2019	81916	82257	21504
2020	85624	92519	23230
2021	90298	102431	25432
2022	81632	113891	22464
2023	69739	100568	19319
2024	36936	59897	10618

Non-cited documents

Year	United States	China	United Kingdom
1996	8608	765	936
1997	6574	762	1117
1998	4461	832	751
1999	2678	963	488
2000	1979	963	634
2001	2334	948	645
2002	1820	878	600
2003	1925	945	558
2004	2242	957	628
2005	3208	1353	668
2006	3685	1773	791
2007	4839	3740	852
2008	4026	4120	843
2009	5298	4790	926
2010	3966	3318	692
2011	3776	3021	851
2012	4198	2935	729
2013	4856	4378	798
2014	3248	5080	787
2015	3647	3946	866
2016	3302	4844	760
2017	3694	4854	793
2018	3557	3822	952
2019	4473	4783	1018
2020	4080	5793	1040
2021	5571	7266	1423
2022	8329	11308	2066
2023	14815	20289	3744
2024	47176	78694	12503

Cites

Year	United States	China	United Kingdom
1996	3949115	47261	860478
1997	4162202	66042	957448
1998	4364873	72241	970316
1999	4508948	87798	1050920
2000	5009250	100938	1158847
2001	5090437	139729	1102805
2002	5149136	183413	1180646
2003	5435913	250528	1237764
2004	5729219	346365	1305458
2005	5537842	467653	1279509
2006	5535853	550270	1270355
2007	5533170	648593	1356578
2008	5481152	774235	1280465
2009	5607814	936548	1537103
2010	5345308	1059717	1368856
2011	5188337	1167856	1291201
2012	5183409	1391209	1244276
2013	4793892	1583255	1207476
2014	4643461	1762927	1166350
2015	4345018	1896794	1205060
2016	3974278	1854735	1080669
2017	3715076	2046753	997711
2018	3427123	2389461	973470
2019	3028520	2485263	870093
2020	2607273	2464531	790142
2021	1964795	1970393	610132
2022	1132596	1470904	360585
2023	533256	766253	170245
2024	114914	186164	36253

External Cites

Year	United States	China	United Kingdom
1996	2111790	31749	702789
1997	2252035	45559	787470
1998	2366926	48537	794797
1999	2457034	56982	868356
2000	2833469	62670	970664
2001	2899649	86738	914259
2002	2922090	113495	984583
2003	3123838	154543	1031516
2004	3333589	210177	1091120
2005	3219821	282739	1069783
2006	3248609	321082	1056953
2007	3252006	373513	1129206
2008	3249714	445071	1060222
2009	3360242	529332	1283695
2010	3215492	584210	1141042
2011	3149859	631020	1071062
2012	3159266	723706	1029434
2013	2934599	802720	1001291
2014	2869398	862835	965237
2015	2706942	906959	1001907
2016	2509786	854069	895275
2017	2386703	893546	833790
2018	2231486	994378	815924
2019	1997025	995589	730785
2020	1753986	1000675	665017
2021	1309829	710032	511630
2022	751729	487577	302705
2023	350688	241872	141441
2024	73535	55700	29580

Self Cites

Year	United States	China	United Kingdom
1996	1837325	15512	157689
1997	1910167	20483	169978
1998	1997947	23704	175519
1999	2051914	30816	182564
2000	2175781	38268	188183
2001	2190788	52991	188546
2002	2227046	69918	196063
2003	2312075	95985	206248
2004	2395630	136188	214338
2005	2318021	184914	209726
2006	2287244	229188	213402
2007	2281164	275080	227372
2008	2231438	329164	220243
2009	2247572	407216	253408
2010	2129816	475507	227814
2011	2038478	536836	220139
2012	2024143	667503	214842
2013	1859293	780535	206185
2014	1774063	900092	201113
2015	1638076	989835	203153
2016	1464492	1000666	185394
2017	1328373	1153207	163921
2018	1195637	1395083	157546
2019	1031495	1489674	139308
2020	853287	1463856	125125
2021	654966	1260361	98502
2022	380867	983327	57880
2023	182568	524381	28804
2024	41379	130464	6673

% International Collaboration

Year	United States	China	United Kingdom
1996	20.42	24.67	35.14
1997	21.49	24.67	35.81
1998	23.51	23.00	37.73
1999	23.86	21.40	38.28
2000	22.86	21.64	36.51
2001	21.64	20.09	35.67
2002	23.00	20.76	37.87
2003	27.34	25.75	44.40
2004	27.83	25.56	46.10
2005	28.08	24.50	47.66
2006	28.38	22.98	47.43
2007	29.15	20.08	49.79
2008	30.84	20.83	50.51
2009	30.74	21.17	50.92
2010	32.39	23.76	53.78
2011	33.43	24.20	54.09
2012	34.83	23.85	57.29
2013	36.00	22.75	59.02
2014	38.00	21.69	60.76
2015	39.68	21.65	62.74
2016	40.99	21.72	64.45
2017	41.45	22.83	65.40
2018	43.24	23.27	66.80
2019	43.96	22.70	68.22
2020	45.03	22.09	69.63
2021	45.12	20.76	71.29
2022	44.90	18.80	72.21
2023	44.43	17.75	72.05
2024	45.80	17.00	73.48

% Open Access

Year	United States	China	United Kingdom
1996	28.93	17.23	25.95
1997	32.46	15.86	29.25
1998	34.17	16.82	32.09
1999	34.73	17.30	34.37
2000	33.55	16.77	33.99
2001	33.74	17.23	34.26
2002	33.98	19.52	35.54
2003	35.78	20.20	37.87
2004	38.25	21.11	39.77
2005	39.04	20.76	40.34
2006	41.64	20.50	41.03
2007	46.72	23.32	43.92
2008	57.15	24.87	47.48
2009	61.55	27.34	50.90
2010	64.51	29.22	52.61
2011	65.19	31.92	54.18
2012	65.75	36.90	55.87
2013	66.87	39.81	60.72
2014	70.80	42.94	67.24
2015	72.23	45.49	72.91
2016	73.29	46.55	79.40
2017	72.36	50.84	80.82
2018	74.28	54.46	82.06
2019	75.02	54.23	82.73
2020	78.26	58.37	84.73
2021	80.13	62.15	85.77
2022	80.20	64.47	86.51
2023	78.94	60.17	86.93
2024	64.87	52.75	79.59

Country/Region Comparison