SJR Compare Countries

Documents

Year	United States	China	United Kingdom
1996	23662	1076	7255
1997	24785	1292	7441
1998	24087	1645	7720
1999	23977	1788	7763
2000	24372	1797	7805
2001	24793	2385	7326
2002	26411	2728	7650
2003	29103	3650	7910
2004	29890	4919	8112
2005	30895	8218	8242
2006	31972	9792	8696
2007	33330	11654	9125
2008	34461	13238	9097
2009	34303	14738	9400
2010	35379	17130	9377
2011	35518	19833	9626
2012	37365	19988	9823
2013	37067	24473	10193
2014	38249	26896	10512
2015	39674	29564	11158
2016	40011	33158	11147
2017	40884	37977	11299
2018	42236	42368	11876
2019	43684	56444	12304
2020	45138	63366	12903
2021	48185	72321	14330
2022	44025	89149	13041
2023	42401	93073	12466
2024	42102	107104	12772

Citable documents

Year	United States	China	United Kingdom
1996	23522	1074	7182
1997	24594	1290	7354
1998	23814	1643	7624
1999	23538	1786	7555
2000	23919	1792	7606
2001	24333	2377	7139
2002	25820	2721	7449
2003	28518	3640	7737
2004	29339	4908	7889
2005	30196	8203	7858
2006	31163	9763	8348
2007	32410	11621	8723
2008	33421	13151	8726
2009	33232	14632	8996
2010	34198	17012	8937
2011	34271	19722	9174
2012	36106	19706	9324
2013	35697	24242	9612
2014	36766	26501	9987
2015	38110	29154	10610
2016	38325	32795	10373
2017	39082	37501	10646
2018	40229	41730	11177
2019	41760	55799	11624
2020	43022	62615	12125
2021	46298	71463	13636
2022	41914	87995	12269
2023	40225	91462	11662
2024	40363	105721	12117

Non-citable documents

Year	United States	China	United Kingdom
1996	140	2	73
1997	191	2	87
1998	273	2	96
1999	439	2	208
2000	453	5	199
2001	460	8	187
2002	591	7	201
2003	585	10	173
2004	551	11	223
2005	699	15	384
2006	809	29	348
2007	920	33	402
2008	1040	87	371
2009	1071	106	404
2010	1181	118	440
2011	1247	111	452
2012	1259	282	499
2013	1370	231	581
2014	1483	395	525
2015	1564	410	548
2016	1686	363	774
2017	1802	476	653
2018	2007	638	699
2019	1924	645	680
2020	2116	751	778
2021	1887	858	694
2022	2111	1154	772
2023	2176	1611	804
2024	1739	1383	655

Cited documents

Year	United States	China	United Kingdom
1996	22560	920	6817
1997	23489	1144	7014
1998	23087	1429	7322
1999	22986	1559	7355
2000	23439	1623	7433
2001	23777	2084	6945
2002	25067	2524	7253
2003	27591	3366	7583
2004	28447	4542	7614
2005	29372	7421	7688
2006	30409	8836	8164
2007	31623	10659	8666
2008	32670	12058	8637
2009	32648	13810	8967
2010	33625	15968	8952
2011	33892	18389	9174
2012	35486	18800	9380
2013	34899	22193	9683
2014	36135	24408	10039
2015	37417	27530	10522
2016	37797	31266	10581
2017	38533	35084	10769
2018	39922	39999	11274
2019	41183	52104	11715
2020	42359	58631	12264
2021	44574	66532	13486
2022	39113	79769	11885
2023	33147	75043	10274
2024	16152	43759	5532

Non-cited documents

Year	United States	China	United Kingdom
1996	1102	156	438
1997	1296	148	427
1998	1000	216	398
1999	991	229	408
2000	933	174	372
2001	1016	301	381
2002	1344	204	397
2003	1512	284	327
2004	1443	377	498
2005	1523	797	554
2006	1563	956	532
2007	1707	995	459
2008	1791	1180	460
2009	1655	928	433
2010	1754	1162	425
2011	1626	1444	452
2012	1879	1188	443
2013	2168	2280	510
2014	2114	2488	473
2015	2257	2034	636
2016	2214	1892	566
2017	2351	2893	530
2018	2314	2369	602
2019	2501	4340	589
2020	2779	4735	639
2021	3611	5789	844
2022	4912	9380	1156
2023	9254	18030	2192
2024	25950	63345	7240

Cites

Year	United States	China	United Kingdom
1996	1162451	25110	333220
1997	1243704	32438	375360
1998	1282039	35880	400336
1999	1303567	47974	413127
2000	1483487	53462	475328
2001	1490043	67694	430741
2002	1612569	77129	497358
2003	1731779	123260	533112
2004	1803978	170242	518899
2005	1752662	220671	541435
2006	1817613	274237	541912
2007	1821572	333891	570460
2008	1762857	372846	556332
2009	1721418	425644	597148
2010	1690949	516162	557363
2011	1646437	545713	537077
2012	1586402	563855	507731
2013	1476776	632600	491075
2014	1439777	704410	472980
2015	1330617	799400	456465
2016	1275132	827825	442347
2017	1168834	896815	399778
2018	1117097	1003722	381792
2019	993204	1134944	349712
2020	892395	1181114	311408
2021	656810	1029769	229691
2022	369392	841308	132145
2023	180533	468457	64005
2024	39935	120562	14614

External Cites

Year	United States	China	United Kingdom
1996	653233	15530	263999
1997	706989	19492	300992
1998	730942	20552	320006
1999	748506	27523	330058
2000	884695	27490	388788
2001	877434	35528	349657
2002	961926	37549	407926
2003	1028480	62381	437378
2004	1079347	84856	424047
2005	1037716	101424	441308
2006	1085369	129196	437442
2007	1090831	152649	460421
2008	1046224	170906	449189
2009	1025891	190961	481445
2010	1017384	234486	450640
2011	1005934	239799	433938
2012	954373	238133	405827
2013	906894	257113	393904
2014	874721	277808	376039
2015	816705	310452	364454
2016	802196	309161	355512
2017	741389	327325	320732
2018	725262	349007	307794
2019	642668	391229	282584
2020	599013	398436	253420
2021	435564	310595	184054
2022	246302	239205	106302
2023	120195	127095	51273
2024	26013	30853	11262

Self Cites

Year	United States	China	United Kingdom
1996	509218	9580	69221
1997	536715	12946	74368
1998	551097	15328	80330
1999	555061	20451	83069
2000	598792	25972	86540
2001	612609	32166	81084
2002	650643	39580	89432
2003	703299	60879	95734
2004	724631	85386	94852
2005	714946	119247	100127
2006	732244	145041	104470
2007	730741	181242	110039
2008	716633	201940	107143
2009	695527	234683	115703
2010	673565	281676	106723
2011	640503	305914	103139
2012	632029	325722	101904
2013	569882	375487	97171
2014	565056	426602	96941
2015	513912	488948	92011
2016	472936	518664	86835
2017	427445	569490	79046
2018	391835	654715	73998
2019	350536	743715	67128
2020	293382	782678	57988
2021	221246	719174	45637
2022	123090	602103	25843
2023	60338	341362	12732
2024	13922	89709	3352

% International Collaboration

Year	United States	China	United Kingdom
1996	23.75	40.61	36.49
1997	22.88	40.17	36.96
1998	24.94	33.01	39.25
1999	24.39	30.26	39.68
2000	22.44	33.33	38.80
2001	19.79	24.40	36.58
2002	21.33	28.08	39.80
2003	28.82	34.19	50.64
2004	29.98	31.51	51.85
2005	30.56	21.96	53.39
2006	32.54	21.61	54.89
2007	33.71	21.32	57.10
2008	34.78	22.06	57.96
2009	35.54	22.70	59.77
2010	36.60	22.98	61.78
2011	38.27	22.58	62.51
2012	39.08	24.29	64.22
2013	40.17	22.02	66.36
2014	41.58	22.86	66.45
2015	42.84	24.62	67.10
2016	44.62	24.00	69.09
2017	45.77	23.13	70.44
2018	47.87	24.58	71.99
2019	48.38	22.28	73.33
2020	50.03	22.76	75.86
2021	49.89	22.09	75.79
2022	52.06	19.43	77.88
2023	50.14	17.89	77.40
2024	52.05	17.69	79.01

% Open Access

Year	United States	China	United Kingdom
1996	26.20	16.73	17.75
1997	30.93	17.41	23.26
1998	31.47	19.64	24.75
1999	31.57	18.46	26.72
2000	31.40	20.31	26.21
2001	30.71	18.41	27.34
2002	30.15	20.23	28.18
2003	32.99	24.85	31.96
2004	32.76	23.03	32.98
2005	33.52	24.58	33.72
2006	33.84	23.96	35.63
2007	35.93	23.90	38.14
2008	36.69	24.48	40.94
2009	40.03	26.39	43.87
2010	41.28	27.28	42.90
2011	42.92	32.03	46.00
2012	43.76	32.43	45.40
2013	44.05	32.22	49.32
2014	47.42	34.57	57.24
2015	49.71	37.07	62.20
2016	54.47	39.21	69.00
2017	55.85	40.31	72.82
2018	58.17	41.61	74.97
2019	61.50	44.59	76.12
2020	63.88	47.78	77.94
2021	67.26	50.34	79.90
2022	68.91	56.47	81.18
2023	71.45	55.37	82.58
2024	62.39	48.66	76.78

Country/Region Comparison