SJR Compare Countries

Documents

Year	United States	China	United Kingdom
1996	15335	1140	4351
1997	16203	1051	4580
1998	17106	1274	5011
1999	16589	1546	5109
2000	16809	1590	5106
2001	16518	2294	4719
2002	16637	2108	4934
2003	19148	2666	5181
2004	21208	3424	5447
2005	21757	6219	5758
2006	24251	7527	6467
2007	24877	8852	6959
2008	24529	10006	6503
2009	25563	13743	7161
2010	26575	14789	7537
2011	27819	20356	7844
2012	28501	18652	8196
2013	29210	22395	8451
2014	30912	25825	9383
2015	31812	28896	9889
2016	33695	32979	10756
2017	34011	38072	10871
2018	36152	48961	12557
2019	39400	65836	13313
2020	39885	77504	14636
2021	42976	89981	16547
2022	42571	102497	16253
2023	38738	108026	15262
2024	37708	116457	15539

Citable documents

Year	United States	China	United Kingdom
1996	15186	1133	4282
1997	15506	1044	4504
1998	16844	1273	4905
1999	16210	1542	4979
2000	16368	1582	4983
2001	16172	2289	4591
2002	15915	2103	4818
2003	18580	2658	5059
2004	20618	3414	5296
2005	20903	6196	5494
2006	23192	7500	6160
2007	23751	8806	6588
2008	23525	9947	6190
2009	24583	13666	6834
2010	25460	14695	7185
2011	26667	20240	7452
2012	27305	18474	7790
2013	27967	22164	7951
2014	29481	25498	8889
2015	30397	28481	9315
2016	31988	32590	10044
2017	32235	37574	10127
2018	34197	48464	11635
2019	37510	65245	12537
2020	37942	76774	13690
2021	41080	89213	15710
2022	40647	101551	15317
2023	36750	107055	14408
2024	36022	115444	14707

Non-citable documents

Year	United States	China	United Kingdom
1996	149	7	69
1997	697	7	76
1998	262	1	106
1999	379	4	130
2000	441	8	123
2001	346	5	128
2002	722	5	116
2003	568	8	122
2004	590	10	151
2005	854	23	264
2006	1059	27	307
2007	1126	46	371
2008	1004	59	313
2009	980	77	327
2010	1115	94	352
2011	1152	116	392
2012	1196	178	406
2013	1243	231	500
2014	1431	327	494
2015	1415	415	574
2016	1707	389	712
2017	1776	498	744
2018	1955	497	922
2019	1890	591	776
2020	1943	730	946
2021	1896	768	837
2022	1924	946	936
2023	1988	971	854
2024	1686	1013	832

Cited documents

Year	United States	China	United Kingdom
1996	13340	871	3950
1997	13929	858	4180
1998	14339	981	4487
1999	14526	1161	4624
2000	14774	1403	4658
2001	14768	1898	4289
2002	14729	1905	4503
2003	16824	2456	4760
2004	17676	3161	4978
2005	18583	5393	5092
2006	20044	6563	5786
2007	20475	7872	6256
2008	20789	8975	5978
2009	21602	12240	6454
2010	22695	13242	6714
2011	24148	16906	7159
2012	24736	16769	7582
2013	25752	20161	7915
2014	27488	23468	8701
2015	28652	26136	9197
2016	30578	30612	10083
2017	31118	35304	10267
2018	33301	45073	11778
2019	35478	59204	12497
2020	37129	69159	13853
2021	39870	79688	15643
2022	37397	93972	14887
2023	31282	93479	13075
2024	15955	56023	7423

Non-cited documents

Year	United States	China	United Kingdom
1996	1995	269	401
1997	2274	193	400
1998	2767	293	524
1999	2063	385	485
2000	2035	187	448
2001	1750	396	430
2002	1908	203	431
2003	2324	210	421
2004	3532	263	469
2005	3174	826	666
2006	4207	964	681
2007	4402	980	703
2008	3740	1031	525
2009	3961	1503	707
2010	3880	1547	823
2011	3671	3450	685
2012	3765	1883	614
2013	3458	2234	536
2014	3424	2357	682
2015	3160	2760	692
2016	3117	2367	673
2017	2893	2768	604
2018	2851	3888	779
2019	3922	6632	816
2020	2756	8345	783
2021	3106	10293	904
2022	5174	8525	1366
2023	7456	14547	2187
2024	21753	60434	8116

Cites

Year	United States	China	United Kingdom
1996	630426	16842	161527
1997	670539	21278	195164
1998	685857	22968	210773
1999	734299	31865	229407
2000	870664	46914	274632
2001	827777	62083	258120
2002	899962	72152	295071
2003	997303	99489	310370
2004	980370	125486	305519
2005	1057518	169260	318140
2006	1133509	244274	373147
2007	1122040	300715	379403
2008	1080281	353228	394016
2009	1139719	481685	403826
2010	1149706	567104	391766
2011	1250678	660857	419944
2012	1185676	691796	428203
2013	1194717	799825	436335
2014	1230624	911657	466077
2015	1185966	1008116	458437
2016	1195390	1174545	468609
2017	1141607	1374021	474731
2018	1154930	1690943	480785
2019	1056905	1960982	465052
2020	1004605	2102546	440025
2021	765607	1848010	372396
2022	465379	1535871	223251
2023	219945	861221	109571
2024	45871	198800	24987

External Cites

Year	United States	China	United Kingdom
1996	355323	10344	123175
1997	375568	12443	148216
1998	389494	12838	160349
1999	423990	16395	177328
2000	518826	23565	215338
2001	492418	30699	205196
2002	532394	32968	235835
2003	592062	47035	245408
2004	582952	57617	239350
2005	634513	73751	248941
2006	677414	111151	293702
2007	674989	133768	297253
2008	648234	156328	311259
2009	694034	214769	320672
2010	713968	248034	305875
2011	779893	282046	334637
2012	729742	283281	337530
2013	750553	318515	344549
2014	778184	347804	369868
2015	758836	369797	366883
2016	768759	408449	376612
2017	750629	462487	384418
2018	783107	549248	390799
2019	729512	628389	381632
2020	695794	672134	362419
2021	530172	531401	307185
2022	323377	395330	184963
2023	153461	212765	90071
2024	31576	47380	19964

Self Cites

Year	United States	China	United Kingdom
1996	275103	6498	38352
1997	294971	8835	46948
1998	296363	10130	50424
1999	310309	15470	52079
2000	351838	23349	59294
2001	335359	31384	52924
2002	367568	39184	59236
2003	405241	52454	64962
2004	397418	67869	66169
2005	423005	95509	69199
2006	456095	133123	79445
2007	447051	166947	82150
2008	432047	196900	82757
2009	445685	266916	83154
2010	435738	319070	85891
2011	470785	378811	85307
2012	455934	408515	90673
2013	444164	481310	91786
2014	452440	563853	96209
2015	427130	638319	91554
2016	426631	766096	91997
2017	390978	911534	90313
2018	371823	1141695	89986
2019	327393	1332593	83420
2020	308811	1430412	77606
2021	235435	1316609	65211
2022	142002	1140541	38288
2023	66484	648456	19500
2024	14295	151420	5023

% International Collaboration

Year	United States	China	United Kingdom
1996	19.98	25.44	27.17
1997	17.45	26.93	28.25
1998	17.16	22.53	26.92
1999	17.87	19.47	26.89
2000	17.32	24.09	27.36
2001	16.62	18.57	27.59
2002	19.69	22.06	30.42
2003	22.23	28.06	38.10
2004	23.10	27.54	40.11
2005	25.32	17.51	40.90
2006	25.93	19.34	42.43
2007	27.28	20.56	44.58
2008	28.30	20.92	45.64
2009	28.27	20.00	47.26
2010	29.45	21.30	47.99
2011	32.27	19.46	50.84
2012	32.71	21.70	53.11
2013	34.13	21.53	54.64
2014	36.29	23.44	57.90
2015	38.87	24.15	60.15
2016	40.37	25.52	62.58
2017	42.06	25.77	63.83
2018	45.39	26.34	67.29
2019	46.27	24.87	69.54
2020	49.60	24.92	72.68
2021	49.96	23.73	74.01
2022	50.06	23.55	75.42
2023	50.32	22.06	75.60
2024	51.26	21.38	75.82

% Open Access

Year	United States	China	United Kingdom
1996	16.34	11.23	11.58
1997	21.24	9.80	15.41
1998	19.87	12.40	16.00
1999	19.75	14.42	16.97
2000	20.63	12.33	16.51
2001	20.12	14.65	17.93
2002	21.13	13.76	20.00
2003	22.61	16.69	20.75
2004	20.64	16.71	23.02
2005	21.49	19.26	22.53
2006	23.71	18.08	26.16
2007	24.38	17.06	27.60
2008	26.14	16.82	31.86
2009	27.47	15.65	31.77
2010	29.67	17.49	32.24
2011	30.39	18.95	34.04
2012	32.13	21.90	36.19
2013	32.40	24.85	39.14
2014	36.24	30.58	49.76
2015	41.30	27.14	57.49
2016	46.01	31.82	65.46
2017	47.74	33.18	71.04
2018	50.55	37.69	71.19
2019	53.61	41.61	73.08
2020	57.31	42.28	75.48
2021	62.02	47.60	78.55
2022	64.94	44.13	79.63
2023	65.13	41.73	79.27
2024	56.59	34.82	72.53

Country/Region Comparison