SJR Compare Countries

Documents

Year	United States	China	United Kingdom
1996	8412	227	2659
1997	8192	317	2918
1998	8456	434	2945
1999	7836	513	2939
2000	8505	445	3444
2001	9022	1134	3070
2002	10340	248	3079
2003	11698	408	3472
2004	11826	333	3782
2005	13845	902	4223
2006	14331	1431	4521
2007	13334	1717	4634
2008	13089	2918	4377
2009	15781	4178	5062
2010	16080	7679	5332
2011	16678	7749	5121
2012	16111	3344	5472
2013	15977	3992	5706
2014	16800	6144	5903
2015	22200	4490	6807
2016	18967	6496	7075
2017	17974	6305	7154
2018	18259	7933	7589
2019	18452	9969	7629
2020	18653	12540	8257
2021	18147	14321	8454
2022	18613	15884	8384
2023	17659	17510	8730
2024	19476	21882	10401

Citable documents

Year	United States	China	United Kingdom
1996	8263	227	2609
1997	8048	317	2869
1998	8309	433	2889
1999	7675	513	2861
2000	8355	442	3393
2001	8734	1131	2974
2002	9813	246	2929
2003	10601	407	3284
2004	11220	331	3645
2005	12675	891	3995
2006	13024	1420	4264
2007	12098	1697	4327
2008	12026	2905	4104
2009	14557	4139	4751
2010	14736	7647	4894
2011	15415	7697	4724
2012	14640	3288	5028
2013	14617	3933	5274
2014	15221	6058	5344
2015	16785	4394	5917
2016	16630	6374	6273
2017	15970	6184	6262
2018	16136	7632	6748
2019	16880	9699	6960
2020	17105	12383	7544
2021	16842	14049	7650
2022	17150	15611	7663
2023	16400	17165	8006
2024	18338	21713	9786

Non-citable documents

Year	United States	China	United Kingdom
1996	149	0	50
1997	144	0	49
1998	147	1	56
1999	161	0	78
2000	150	3	51
2001	288	3	96
2002	527	2	150
2003	1097	1	188
2004	606	2	137
2005	1170	11	228
2006	1307	11	257
2007	1236	20	307
2008	1063	13	273
2009	1224	39	311
2010	1344	32	438
2011	1263	52	397
2012	1471	56	444
2013	1360	59	432
2014	1579	86	559
2015	5415	96	890
2016	2337	122	802
2017	2004	121	892
2018	2123	301	841
2019	1572	270	669
2020	1548	157	713
2021	1305	272	804
2022	1463	273	721
2023	1259	345	724
2024	1138	169	615

Cited documents

Year	United States	China	United Kingdom
1996	6211	61	2249
1997	6550	112	2474
1998	6619	125	2496
1999	6608	174	2558
2000	7116	197	3042
2001	7657	423	2739
2002	8450	151	2731
2003	8818	236	3070
2004	9383	280	3383
2005	10406	589	3665
2006	10802	883	3951
2007	10324	1087	4021
2008	10598	1783	3813
2009	12656	2703	4403
2010	12770	3899	4565
2011	13461	3757	4431
2012	13075	2417	4833
2013	12989	2769	5047
2014	13484	3393	5181
2015	15128	3717	5630
2016	14904	5259	5981
2017	14767	5345	6075
2018	15378	6637	6543
2019	16017	8461	6912
2020	16355	11046	7486
2021	15686	12143	7406
2022	15355	13140	7359
2023	13149	13672	7076
2024	8248	10470	5254

Non-cited documents

Year	United States	China	United Kingdom
1996	2201	166	410
1997	1642	205	444
1998	1837	309	449
1999	1228	339	381
2000	1389	248	402
2001	1365	711	331
2002	1890	97	348
2003	2880	172	402
2004	2443	53	399
2005	3439	313	558
2006	3529	548	570
2007	3010	630	613
2008	2491	1135	564
2009	3125	1475	659
2010	3310	3780	767
2011	3217	3992	690
2012	3036	927	639
2013	2988	1223	659
2014	3316	2751	722
2015	7072	773	1177
2016	4063	1237	1094
2017	3207	960	1079
2018	2881	1296	1046
2019	2435	1508	717
2020	2298	1494	771
2021	2461	2178	1048
2022	3258	2744	1025
2023	4510	3838	1654
2024	11228	11412	5147

Cites

Year	United States	China	United Kingdom
1996	360155	1407	71669
1997	418577	3793	90960
1998	446104	2518	103862
1999	439561	6884	114831
2000	615931	4805	166245
2001	641088	4293	147994
2002	693217	7122	159818
2003	760233	9447	179372
2004	771607	18142	204889
2005	772880	20620	219520
2006	797414	25145	230920
2007	705898	29724	207574
2008	643238	40446	186800
2009	723881	48807	215422
2010	745186	65189	204678
2011	731031	78435	208224
2012	687846	84081	215365
2013	597065	98761	229889
2014	594236	104533	232136
2015	555941	142554	228335
2016	539419	181527	235607
2017	519613	210598	248116
2018	489080	253705	237836
2019	456895	301378	230510
2020	427039	359230	240734
2021	311945	295183	184168
2022	184003	227969	122122
2023	95011	128772	68350
2024	25740	38973	20639

External Cites

Year	United States	China	United Kingdom
1996	229292	1123	51829
1997	271773	2417	66246
1998	286673	1807	78312
1999	280337	5384	85957
2000	409872	3371	125767
2001	425079	2352	113719
2002	457526	5114	121308
2003	510382	7008	137656
2004	513700	13663	159277
2005	512447	14381	169522
2006	527149	16855	180741
2007	471590	20836	161436
2008	434229	26640	145922
2009	478788	32774	167267
2010	501048	42118	159681
2011	494799	50558	161899
2012	469695	51758	168519
2013	405889	58086	180584
2014	409741	59995	183587
2015	382867	77819	180620
2016	378714	92654	188155
2017	367152	101265	200432
2018	354060	116171	192632
2019	336499	131985	186985
2020	317832	157856	197586
2021	230868	120534	150097
2022	134612	84454	99460
2023	70294	47815	55548
2024	18404	13792	16107

Self Cites

Year	United States	China	United Kingdom
1996	130863	284	19840
1997	146804	1376	24714
1998	159431	711	25550
1999	159224	1500	28874
2000	206059	1434	40478
2001	216009	1941	34275
2002	235691	2008	38510
2003	249851	2439	41716
2004	257907	4479	45612
2005	260433	6239	49998
2006	270265	8290	50179
2007	234308	8888	46138
2008	209009	13806	40878
2009	245093	16033	48155
2010	244138	23071	44997
2011	236232	27877	46325
2012	218151	32323	46846
2013	191176	40675	49305
2014	184495	44538	48549
2015	173074	64735	47715
2016	160705	88873	47452
2017	152461	109333	47684
2018	135020	137534	45204
2019	120396	169393	43525
2020	109207	201374	43148
2021	81077	174649	34071
2022	49391	143515	22662
2023	24717	80957	12802
2024	7336	25181	4532

% International Collaboration

Year	United States	China	United Kingdom
1996	13.68	10.57	15.64
1997	11.45	14.20	14.36
1998	11.66	13.36	16.40
1999	12.39	11.89	16.33
2000	13.72	17.53	17.80
2001	13.12	7.85	20.26
2002	12.24	39.11	20.36
2003	14.57	35.05	22.84
2004	17.28	60.96	27.13
2005	17.43	31.15	26.95
2006	19.89	25.37	32.12
2007	22.55	25.39	31.27
2008	28.19	20.80	35.64
2009	22.24	19.20	35.24
2010	22.40	11.49	34.85
2011	22.08	13.60	37.34
2012	24.54	35.17	39.91
2013	27.23	33.49	41.61
2014	27.88	26.40	46.35
2015	24.98	43.99	47.66
2016	30.30	37.90	49.85
2017	31.81	43.09	49.89
2018	33.83	42.39	52.17
2019	37.09	41.62	58.37
2020	38.78	40.54	60.68
2021	40.53	37.49	61.58
2022	41.77	37.35	66.97
2023	43.58	35.68	67.51
2024	45.73	36.61	70.19

% Open Access

Year	United States	China	United Kingdom
1996	9.40	18.94	3.61
1997	8.87	14.20	4.73
1998	10.17	17.51	4.62
1999	9.99	15.20	5.92
2000	9.21	15.73	6.18
2001	9.07	19.40	8.27
2002	10.47	13.71	10.33
2003	12.90	13.97	10.22
2004	12.46	12.31	11.42
2005	14.00	10.98	14.23
2006	14.66	8.39	15.48
2007	14.34	10.02	16.44
2008	14.74	7.92	20.13
2009	16.04	6.41	24.60
2010	16.75	3.78	24.17
2011	16.47	5.03	24.74
2012	17.03	12.86	25.51
2013	18.41	12.63	27.88
2014	18.60	13.31	37.86
2015	19.06	18.00	44.76
2016	22.11	15.59	56.33
2017	23.81	21.86	63.14
2018	26.46	22.92	65.31
2019	27.59	22.22	67.98
2020	28.50	22.02	67.35
2021	30.69	22.71	71.17
2022	31.21	26.71	71.45
2023	32.46	27.29	69.75
2024	29.63	24.50	62.96

Country/Region Comparison