SJR Compare Countries

Documents

Year	United States	China	United Kingdom
1996	7641	43	2123
1997	7911	42	2225
1998	7890	77	2476
1999	7567	60	2143
2000	8635	72	2482
2001	9526	73	2459
2002	8798	79	2386
2003	9445	138	2714
2004	10029	262	2937
2005	10498	290	3203
2006	10900	358	3249
2007	11592	409	3310
2008	11559	540	3264
2009	12405	1259	3733
2010	13275	1467	3768
2011	13317	1930	3904
2012	13957	1313	3965
2013	14144	1226	4126
2014	14940	1528	4272
2015	15318	2967	4548
2016	15540	1790	4545
2017	16086	1942	4680
2018	16299	2192	4718
2019	17167	3847	4910
2020	17749	5454	5061
2021	19326	6776	5789
2022	18209	8290	5565
2023	17863	8903	5492
2024	19434	9911	6123

Citable documents

Year	United States	China	United Kingdom
1996	7435	42	2002
1997	7695	42	2048
1998	7496	76	2329
1999	7092	60	1944
2000	8147	71	2240
2001	8946	73	2144
2002	8155	76	2038
2003	8711	136	2256
2004	9262	260	2323
2005	9727	288	2640
2006	9981	353	2704
2007	10545	404	2852
2008	10559	530	2855
2009	11290	1244	3162
2010	12041	1449	3219
2011	12035	1904	3387
2012	12624	1292	3483
2013	12496	1186	3701
2014	13234	1478	3777
2015	13546	2917	4015
2016	13700	1734	4019
2017	14276	1891	4145
2018	14292	2128	4269
2019	15453	3770	4457
2020	15694	5321	4579
2021	17602	6674	5302
2022	16639	8167	5092
2023	16229	8743	5003
2024	17861	9703	5668

Non-citable documents

Year	United States	China	United Kingdom
1996	206	1	121
1997	216	0	177
1998	394	1	147
1999	475	0	199
2000	488	1	242
2001	580	0	315
2002	643	3	348
2003	734	2	458
2004	767	2	614
2005	771	2	563
2006	919	5	545
2007	1047	5	458
2008	1000	10	409
2009	1115	15	571
2010	1234	18	549
2011	1282	26	517
2012	1333	21	482
2013	1648	40	425
2014	1706	50	495
2015	1772	50	533
2016	1840	56	526
2017	1810	51	535
2018	2007	64	449
2019	1714	77	453
2020	2055	133	482
2021	1724	102	487
2022	1570	123	473
2023	1634	160	489
2024	1573	208	455

Cited documents

Year	United States	China	United Kingdom
1996	6707	42	1698
1997	6849	34	1806
1998	6884	67	1996
1999	6660	55	1810
2000	7370	61	2033
2001	8245	67	2104
2002	7783	77	2048
2003	8361	126	2236
2004	8861	183	2345
2005	9316	226	2614
2006	9544	284	2686
2007	10083	347	2764
2008	10111	468	2798
2009	10716	846	3030
2010	11571	1109	3085
2011	11625	1309	3253
2012	12153	1158	3364
2013	12245	1086	3617
2014	13191	1351	3699
2015	13390	2364	3973
2016	13788	1658	4081
2017	14258	1740	4157
2018	14471	2034	4334
2019	15202	3158	4518
2020	15699	4433	4640
2021	16728	5384	5237
2022	14841	6477	4826
2023	12556	6219	4207
2024	6373	3149	2442

Non-cited documents

Year	United States	China	United Kingdom
1996	934	1	425
1997	1062	8	419
1998	1006	10	480
1999	907	5	333
2000	1265	11	449
2001	1281	6	355
2002	1015	2	338
2003	1084	12	478
2004	1168	79	592
2005	1182	64	589
2006	1356	74	563
2007	1509	62	546
2008	1448	72	466
2009	1689	413	703
2010	1704	358	683
2011	1692	621	651
2012	1804	155	601
2013	1899	140	509
2014	1749	177	573
2015	1928	603	575
2016	1752	132	464
2017	1828	202	523
2018	1828	158	384
2019	1965	689	392
2020	2050	1021	421
2021	2598	1392	552
2022	3368	1813	739
2023	5307	2684	1285
2024	13061	6762	3681

Cites

Year	United States	China	United Kingdom
1996	292964	1295	81746
1997	307978	755	70289
1998	328679	1765	85642
1999	320163	1950	92718
2000	415960	1969	100480
2001	397132	2860	102481
2002	402928	2425	110003
2003	439656	4668	104021
2004	449070	5956	113778
2005	478417	7939	137380
2006	458618	8576	123590
2007	481351	11012	134244
2008	478524	15041	131732
2009	471313	20524	151635
2010	472112	22131	123750
2011	445034	24613	123972
2012	437500	30472	123045
2013	426324	26972	135219
2014	420409	37824	124511
2015	402087	45707	135554
2016	393546	44703	132960
2017	364316	44847	131528
2018	345271	54297	123269
2019	300428	64341	114140
2020	302486	83891	104791
2021	206075	71775	80919
2022	124906	63579	49200
2023	62791	34173	25524
2024	14333	7595	6297

External Cites

Year	United States	China	United Kingdom
1996	156742	1028	63232
1997	166339	599	52451
1998	176770	1325	64565
1999	170390	1601	70470
2000	232723	1532	77666
2001	216454	2156	78998
2002	220097	1771	85751
2003	244106	3219	80821
2004	248931	4227	88444
2005	262535	5539	108710
2006	245354	5794	96406
2007	259312	7463	103497
2008	261676	9913	101848
2009	257775	13138	117388
2010	257569	15020	94078
2011	241686	15542	93342
2012	234878	18866	92988
2013	224916	16745	102610
2014	217690	22909	93956
2015	215156	27441	102745
2016	212500	26623	100742
2017	197073	25583	100342
2018	188187	30335	92719
2019	169346	33403	85644
2020	174061	44673	80053
2021	115658	32442	60521
2022	68151	25506	36307
2023	33836	13746	18918
2024	7617	2977	4387

Self Cites

Year	United States	China	United Kingdom
1996	136222	267	18514
1997	141639	156	17838
1998	151909	440	21077
1999	149773	349	22248
2000	183237	437	22814
2001	180678	704	23483
2002	182831	654	24252
2003	195550	1449	23200
2004	200139	1729	25334
2005	215882	2400	28670
2006	213264	2782	27184
2007	222039	3549	30747
2008	216848	5128	29884
2009	213538	7386	34247
2010	214543	7111	29672
2011	203348	9071	30630
2012	202622	11606	30057
2013	201408	10227	32609
2014	202719	14915	30555
2015	186931	18266	32809
2016	181046	18080	32218
2017	167243	19264	31186
2018	157084	23962	30550
2019	131082	30938	28496
2020	128425	39218	24738
2021	90417	39333	20398
2022	56755	38073	12893
2023	28955	20427	6606
2024	6716	4618	1910

% International Collaboration

Year	United States	China	United Kingdom
1996	12.94	62.79	16.49
1997	9.61	42.86	16.13
1998	11.88	38.96	18.30
1999	9.94	45.00	15.26
2000	9.87	47.22	15.67
2001	8.79	45.21	15.17
2002	10.18	40.51	17.02
2003	13.00	44.93	23.40
2004	14.86	27.48	24.07
2005	15.76	36.55	26.82
2006	15.58	30.45	25.85
2007	17.24	30.81	26.77
2008	22.15	32.04	31.62
2009	18.00	20.73	29.90
2010	17.67	22.15	30.49
2011	17.95	20.16	32.97
2012	18.81	34.27	34.88
2013	19.63	33.20	38.66
2014	20.15	34.42	39.93
2015	22.14	23.93	41.56
2016	23.27	35.64	46.09
2017	23.46	37.38	46.20
2018	25.01	36.77	50.74
2019	25.64	26.07	51.75
2020	27.46	22.72	56.63
2021	27.95	22.86	58.65
2022	29.07	18.99	59.78
2023	28.96	19.58	62.51
2024	29.79	21.19	61.31

% Open Access

Year	United States	China	United Kingdom
1996	17.62	18.60	18.70
1997	18.30	14.29	19.37
1998	18.61	11.69	22.70
1999	19.94	18.33	24.08
2000	17.30	13.89	22.04
2001	18.87	20.55	22.69
2002	19.95	15.19	25.52
2003	20.89	20.29	24.02
2004	21.15	23.28	27.10
2005	19.05	23.79	27.76
2006	21.78	20.67	27.52
2007	24.11	24.94	30.94
2008	32.75	20.19	33.09
2009	35.62	15.97	33.00
2010	36.66	12.61	34.08
2011	38.47	11.55	33.61
2012	40.88	21.55	36.09
2013	41.89	25.94	37.03
2014	44.30	25.59	46.86
2015	44.46	17.39	53.83
2016	45.21	35.36	64.69
2017	45.58	34.35	67.12
2018	48.00	44.53	71.73
2019	50.84	45.52	72.65
2020	53.89	52.35	74.81
2021	56.72	59.93	75.66
2022	56.03	63.20	78.51
2023	55.62	63.17	78.33
2024	42.32	55.09	70.62

Country/Region Comparison