SJR Compare Countries

Documents

Year	United States	China	United Kingdom
1996	3103	31	981
1997	2883	52	1020
1998	2964	45	965
1999	2970	38	1003
2000	3006	80	1021
2001	3025	197	1011
2002	3404	128	1181
2003	3475	124	1279
2004	3652	170	1328
2005	3675	468	1423
2006	4130	671	1567
2007	4073	723	1593
2008	4202	825	1550
2009	4233	916	1646
2010	4386	1047	1652
2011	4461	1222	1697
2012	4625	1632	1807
2013	4579	1438	1791
2014	4254	1417	1588
2015	4372	1379	1729
2016	4201	1443	1719
2017	4608	1575	1883
2018	4774	1797	1867
2019	4969	2882	1938
2020	5477	3441	2179
2021	6005	3794	2227
2022	5565	4677	2128
2023	5324	4244	2025
2024	5505	5079	2109

Citable documents

Year	United States	China	United Kingdom
1996	3090	31	955
1997	2860	52	941
1998	2943	45	917
1999	2904	38	931
2000	2975	80	965
2001	2986	197	925
2002	3280	126	922
2003	3302	124	983
2004	3425	170	1021
2005	3469	466	1115
2006	3881	664	1237
2007	3782	722	1266
2008	3898	824	1265
2009	3938	908	1386
2010	3993	1042	1362
2011	4059	1214	1354
2012	4253	1617	1508
2013	4191	1418	1478
2014	3878	1399	1303
2015	4000	1362	1438
2016	3863	1432	1421
2017	4200	1538	1532
2018	4391	1756	1524
2019	4631	2825	1562
2020	5128	3384	1851
2021	5657	3748	1979
2022	5193	4611	1907
2023	5010	4173	1807
2024	5292	5031	1914

Non-citable documents

Year	United States	China	United Kingdom
1996	13	0	26
1997	23	0	79
1998	21	0	48
1999	66	0	72
2000	31	0	56
2001	39	0	86
2002	124	2	259
2003	173	0	296
2004	227	0	307
2005	206	2	308
2006	249	7	330
2007	291	1	327
2008	304	1	285
2009	295	8	260
2010	393	5	290
2011	402	8	343
2012	372	15	299
2013	388	20	313
2014	376	18	285
2015	372	17	291
2016	338	11	298
2017	408	37	351
2018	383	41	343
2019	338	57	376
2020	349	57	328
2021	348	46	248
2022	372	66	221
2023	314	71	218
2024	213	48	195

Cited documents

Year	United States	China	United Kingdom
1996	2841	29	926
1997	2679	48	946
1998	2724	45	899
1999	2756	35	939
2000	2847	74	973
2001	2863	141	942
2002	3110	123	966
2003	3136	123	1067
2004	3236	165	1094
2005	3290	399	1192
2006	3641	607	1308
2007	3598	701	1347
2008	3743	792	1336
2009	3808	882	1449
2010	3905	1000	1452
2011	4080	1141	1461
2012	4227	1427	1613
2013	4166	1297	1541
2014	3927	1316	1397
2015	3984	1326	1506
2016	3871	1398	1490
2017	4268	1528	1618
2018	4348	1737	1592
2019	4550	2618	1591
2020	4962	3138	1852
2021	5294	3487	1883
2022	4611	4157	1705
2023	3704	3176	1309
2024	1675	1568	643

Non-cited documents

Year	United States	China	United Kingdom
1996	262	2	55
1997	204	4	74
1998	240	0	66
1999	214	3	64
2000	159	6	48
2001	162	56	69
2002	294	5	215
2003	339	1	212
2004	416	5	234
2005	385	69	231
2006	489	64	259
2007	475	22	246
2008	459	33	214
2009	425	34	197
2010	481	47	200
2011	381	81	236
2012	398	205	194
2013	413	141	250
2014	327	101	191
2015	388	53	223
2016	330	45	229
2017	340	47	265
2018	426	60	275
2019	419	264	347
2020	515	303	327
2021	711	307	344
2022	954	520	423
2023	1620	1068	716
2024	3830	3511	1466

Cites

Year	United States	China	United Kingdom
1996	78368	621	26801
1997	83345	1029	29078
1998	83656	834	30155
1999	89830	782	34749
2000	107590	2498	44570
2001	100958	2113	38479
2002	105627	3358	39771
2003	110817	4273	43006
2004	116627	5255	41128
2005	116737	10187	46655
2006	127560	12033	48277
2007	123168	18254	48305
2008	125931	20332	45248
2009	119299	21971	49469
2010	117805	21940	45393
2011	114831	22810	41549
2012	108219	26762	45998
2013	104179	26318	41318
2014	88562	26882	34865
2015	91319	35206	40486
2016	77344	27458	32106
2017	75899	30512	30596
2018	68858	33043	27821
2019	65197	37618	24246
2020	62516	42254	23643
2021	50263	37227	19063
2022	27942	28075	10510
2023	13728	12153	5028
2024	3270	3107	1264

External Cites

Year	United States	China	United Kingdom
1996	41213	456	20540
1997	44470	666	22142
1998	44081	569	23067
1999	48560	545	27177
2000	59994	1896	36322
2001	54719	1156	29796
2002	58651	1867	31105
2003	61119	2532	33747
2004	66241	3254	31547
2005	65616	5514	36109
2006	72896	7335	37320
2007	71036	10400	37474
2008	71907	12288	34765
2009	66677	12418	37265
2010	67349	11853	34354
2011	64366	11644	31808
2012	62065	13703	35241
2013	59488	12753	30672
2014	50834	12428	26720
2015	53592	19326	31162
2016	45047	12319	24628
2017	45272	12978	23425
2018	41644	14432	21067
2019	39015	15112	18518
2020	39285	17271	18211
2021	30104	13735	14527
2022	16305	9228	7827
2023	8047	3900	3693
2024	1848	975	851

Self Cites

Year	United States	China	United Kingdom
1996	37155	165	6261
1997	38875	363	6936
1998	39575	265	7088
1999	41270	237	7572
2000	47596	602	8248
2001	46239	957	8683
2002	46976	1491	8666
2003	49698	1741	9259
2004	50386	2001	9581
2005	51121	4673	10546
2006	54664	4698	10957
2007	52132	7854	10831
2008	54024	8044	10483
2009	52622	9553	12204
2010	50456	10087	11039
2011	50465	11166	9741
2012	46154	13059	10757
2013	44691	13565	10646
2014	37728	14454	8145
2015	37727	15880	9324
2016	32297	15139	7478
2017	30627	17534	7171
2018	27214	18611	6754
2019	26182	22506	5728
2020	23231	24983	5432
2021	20159	23492	4536
2022	11637	18847	2683
2023	5681	8253	1335
2024	1422	2132	413

% International Collaboration

Year	United States	China	United Kingdom
1996	20.59	61.29	36.39
1997	18.18	40.38	31.27
1998	18.32	62.22	32.75
1999	19.97	60.53	32.50
2000	21.96	70.00	37.61
2001	19.97	17.26	35.91
2002	17.01	37.50	27.77
2003	21.64	48.39	34.56
2004	22.32	40.59	34.86
2005	24.54	19.87	36.96
2006	23.34	16.99	35.93
2007	27.47	18.26	38.36
2008	28.68	22.67	41.55
2009	27.21	18.78	41.56
2010	27.56	19.10	40.74
2011	28.36	18.58	40.25
2012	30.83	16.48	42.56
2013	32.15	20.03	41.93
2014	34.32	19.90	47.36
2015	33.67	22.55	46.50
2016	36.13	20.86	45.43
2017	36.94	23.37	48.22
2018	38.06	24.82	47.62
2019	37.45	17.21	46.23
2020	39.89	18.25	48.51
2021	39.55	19.58	55.68
2022	39.41	16.46	51.93
2023	39.59	14.61	54.22
2024	41.33	13.70	55.95

% Open Access

Year	United States	China	United Kingdom
1996	28.33	29.03	13.25
1997	31.74	13.46	15.00
1998	28.00	35.56	14.92
1999	32.22	34.21	13.16
2000	29.87	38.75	15.18
2001	30.31	28.43	17.71
2002	25.85	35.94	18.97
2003	26.56	34.68	19.55
2004	27.55	43.53	21.39
2005	29.01	36.11	17.71
2006	27.99	35.02	18.89
2007	27.65	30.71	21.34
2008	33.39	32.24	29.16
2009	35.15	30.57	31.83
2010	33.99	30.56	29.54
2011	37.64	32.98	29.35
2012	38.01	53.92	31.99
2013	38.74	47.15	36.52
2014	42.36	52.93	41.25
2015	44.01	55.11	49.16
2016	44.39	58.91	54.45
2017	45.46	58.41	55.44
2018	49.62	61.05	56.35
2019	52.89	60.10	60.47
2020	55.12	60.45	63.84
2021	59.75	66.03	66.05
2022	65.86	77.46	68.66
2023	68.69	72.24	73.19
2024	62.94	73.38	69.70

Country/Region Comparison