SJR Compare Countries

Documents

Year	United States	China	United Kingdom
1996	3539	138	817
1997	3422	132	785
1998	3352	160	886
1999	3511	188	934
2000	3444	224	1093
2001	3450	273	938
2002	3692	211	1029
2003	4217	349	1118
2004	4019	413	1238
2005	4743	633	1414
2006	5223	1572	1600
2007	5498	2005	1844
2008	5966	4037	1720
2009	5930	5113	1828
2010	5993	6875	1766
2011	6210	4465	1782
2012	6191	3557	1776
2013	6562	3075	2138
2014	6502	4504	2243
2015	7914	6693	2504
2016	9515	7439	3275
2017	9655	10887	3239
2018	10534	11510	3459
2019	11372	18470	3828
2020	11800	20021	4175
2021	12228	27854	4323
2022	12538	30098	4504
2023	11072	26216	4201
2024	9297	18257	4137

Citable documents

Year	United States	China	United Kingdom
1996	3502	138	804
1997	3403	132	779
1998	3328	160	880
1999	3484	188	922
2000	3405	224	1083
2001	3351	270	909
2002	3494	209	968
2003	4042	349	1078
2004	3905	413	1201
2005	4558	625	1369
2006	4949	1568	1521
2007	5194	1995	1744
2008	5676	4028	1643
2009	5643	5097	1728
2010	5642	6855	1644
2011	5864	4425	1666
2012	5863	3527	1679
2013	6164	3035	2028
2014	6059	4438	2130
2015	7414	6613	2361
2016	8952	7280	3025
2017	9109	10615	2984
2018	9831	11249	3228
2019	10572	18127	3490
2020	10983	19648	3833
2021	11383	27476	3990
2022	11499	29312	4044
2023	10117	25545	3793
2024	8410	17506	3677

Non-citable documents

Year	United States	China	United Kingdom
1996	37	0	13
1997	19	0	6
1998	24	0	6
1999	27	0	12
2000	39	0	10
2001	99	3	29
2002	198	2	61
2003	175	0	40
2004	114	0	37
2005	185	8	45
2006	274	4	79
2007	304	10	100
2008	290	9	77
2009	287	16	100
2010	351	20	122
2011	346	40	116
2012	328	30	97
2013	398	40	110
2014	443	66	113
2015	500	80	143
2016	563	159	250
2017	546	272	255
2018	703	261	231
2019	800	343	338
2020	817	373	342
2021	845	378	333
2022	1039	786	460
2023	955	671	408
2024	887	751	460

Cited documents

Year	United States	China	United Kingdom
1996	3102	115	716
1997	3049	117	710
1998	2978	142	796
1999	3202	167	850
2000	3084	207	996
2001	3121	246	850
2002	3307	191	922
2003	3773	303	999
2004	3624	379	1117
2005	4175	503	1215
2006	4543	1100	1398
2007	4887	1464	1600
2008	5182	2794	1490
2009	5168	2914	1604
2010	5230	3966	1511
2011	5434	2935	1582
2012	5519	2771	1624
2013	5761	2583	1919
2014	5770	3727	2050
2015	6706	4657	2240
2016	8084	6142	2893
2017	8444	8429	2880
2018	9230	9178	3135
2019	9944	13776	3388
2020	10165	15335	3722
2021	10130	18913	3666
2022	9886	18195	3643
2023	7739	14556	3071
2024	3879	8214	1889

Non-cited documents

Year	United States	China	United Kingdom
1996	437	23	101
1997	373	15	75
1998	374	18	90
1999	309	21	84
2000	360	17	97
2001	329	27	88
2002	385	20	107
2003	444	46	119
2004	395	34	121
2005	568	130	199
2006	680	472	202
2007	611	541	244
2008	784	1243	230
2009	762	2199	224
2010	763	2909	255
2011	776	1530	200
2012	672	786	152
2013	801	492	219
2014	732	777	193
2015	1208	2036	264
2016	1431	1297	382
2017	1211	2458	359
2018	1304	2332	324
2019	1428	4694	440
2020	1635	4686	453
2021	2098	8941	657
2022	2652	11903	861
2023	3333	11660	1130
2024	5418	10043	2248

Cites

Year	United States	China	United Kingdom
1996	149301	6169	30142
1997	168318	3072	38200
1998	174428	4115	48170
1999	277145	6535	47537
2000	221876	7886	67773
2001	273382	7983	58444
2002	262854	9909	63092
2003	313633	10217	53216
2004	272859	21654	66355
2005	265101	19188	62081
2006	309971	21609	70133
2007	311060	38604	73072
2008	294177	51610	78695
2009	252375	55606	77332
2010	282299	62305	74606
2011	262100	69550	78802
2012	240357	74578	71757
2013	242699	87374	80975
2014	244639	107912	87672
2015	286660	123229	83437
2016	276835	168789	105260
2017	246117	175717	87707
2018	248400	197005	90819
2019	254656	251509	92899
2020	213385	265588	95309
2021	159655	245249	70038
2022	100881	184779	46129
2023	52140	100572	28653
2024	11204	27382	7289

External Cites

Year	United States	China	United Kingdom
1996	93196	4522	23508
1997	113112	1802	30186
1998	113385	2674	39396
1999	179107	3713	38298
2000	147664	4211	54621
2001	181755	4067	47453
2002	172739	5008	50642
2003	213028	4978	42771
2004	180956	13168	53439
2005	173574	10359	49177
2006	205581	11313	55269
2007	206477	20860	57944
2008	192331	26759	64416
2009	163857	28804	61727
2010	184063	31560	59594
2011	170603	35772	63816
2012	160670	34744	58217
2013	162409	38930	65577
2014	164227	46968	70653
2015	191117	51155	67736
2016	186887	73381	85162
2017	166256	76522	71709
2018	170718	78349	74311
2019	182376	99007	76257
2020	152692	100881	79585
2021	113299	84540	58342
2022	71011	58527	37973
2023	37195	30471	23809
2024	7736	8074	5848

Self Cites

Year	United States	China	United Kingdom
1996	56105	1647	6634
1997	55206	1270	8014
1998	61043	1441	8774
1999	98038	2822	9239
2000	74212	3675	13152
2001	91627	3916	10991
2002	90115	4901	12450
2003	100605	5239	10445
2004	91903	8486	12916
2005	91527	8829	12904
2006	104390	10296	14864
2007	104583	17744	15128
2008	101846	24851	14279
2009	88518	26802	15605
2010	98236	30745	15012
2011	91497	33778	14986
2012	79687	39834	13540
2013	80290	48444	15398
2014	80412	60944	17019
2015	95543	72074	15701
2016	89948	95408	20098
2017	79861	99195	15998
2018	77682	118656	16508
2019	72280	152502	16642
2020	60693	164707	15724
2021	46356	160709	11696
2022	29870	126252	8156
2023	14945	70101	4844
2024	3468	19308	1441

% International Collaboration

Year	United States	China	United Kingdom
1996	23.31	31.16	29.74
1997	21.45	50.00	26.37
1998	22.76	52.50	27.88
1999	22.36	45.74	28.37
2000	22.24	50.89	27.54
2001	23.04	55.68	31.66
2002	21.99	55.45	28.18
2003	24.12	51.86	33.63
2004	28.51	50.12	37.32
2005	28.00	48.66	37.20
2006	29.33	22.84	39.88
2007	32.32	25.19	41.38
2008	32.77	15.18	42.50
2009	32.21	15.84	45.62
2010	31.30	12.19	43.71
2011	31.53	18.70	49.94
2012	33.79	27.86	52.65
2013	36.38	37.95	54.26
2014	39.63	32.10	56.09
2015	37.74	27.25	58.35
2016	38.61	32.56	59.24
2017	39.20	25.44	60.48
2018	39.86	29.03	62.71
2019	43.23	23.65	64.97
2020	42.25	23.54	64.17
2021	43.38	19.72	67.48
2022	46.04	20.72	69.03
2023	46.74	21.17	72.34
2024	51.35	33.37	76.12

% Open Access

Year	United States	China	United Kingdom
1996	14.33	11.59	6.49
1997	12.97	12.12	13.38
1998	14.47	10.00	11.06
1999	15.52	10.64	13.28
2000	14.87	9.38	14.91
2001	15.36	8.06	17.38
2002	19.10	10.43	21.87
2003	20.56	12.61	21.56
2004	24.86	15.01	27.14
2005	23.93	22.43	26.45
2006	23.24	14.38	29.13
2007	23.57	11.12	27.06
2008	26.18	10.21	32.85
2009	28.99	9.72	37.31
2010	27.06	5.24	35.84
2011	29.26	13.15	37.09
2012	28.19	14.17	39.13
2013	29.95	17.14	39.48
2014	32.45	14.48	51.09
2015	32.16	14.25	53.08
2016	34.04	11.41	57.31
2017	32.96	9.59	62.95
2018	33.93	10.57	64.76
2019	38.16	9.70	61.94
2020	38.75	10.57	64.31
2021	39.72	11.17	63.64
2022	41.72	13.26	62.94
2023	41.94	16.74	63.82
2024	43.26	25.66	62.15

Country/Region Comparison