SJR Compare Countries

Documents

Year	United States	China	United Kingdom
1996	28231	3196	5178
1997	27595	2247	5193
1998	29962	4679	5615
1999	31797	3531	5902
2000	30842	6122	6493
2001	31424	8202	6887
2002	37228	9711	7598
2003	41117	10795	8504
2004	40177	14224	8460
2005	46495	23905	10442
2006	52690	32781	12467
2007	52528	38331	13615
2008	54327	52089	14890
2009	58769	72603	15853
2010	60528	77027	16588
2011	62521	73381	16557
2012	62895	72317	16948
2013	62831	64944	18249
2014	64785	65319	18861
2015	75296	74835	21258
2016	79320	88442	23123
2017	76048	96007	23134
2018	80025	109230	23494
2019	82934	136206	25320
2020	81812	138523	25735
2021	81962	161731	26343
2022	82185	196127	27550
2023	85757	202580	28210
2024	63812	182069	23983

Citable documents

Year	United States	China	United Kingdom
1996	28059	3190	5084
1997	27430	2244	5118
1998	29798	4678	5515
1999	31656	3526	5844
2000	30646	6116	6433
2001	30947	8176	6731
2002	36594	9673	7351
2003	40449	10742	8282
2004	39644	14182	8299
2005	45489	23854	10133
2006	51492	32700	12108
2007	51274	38223	13231
2008	53005	51946	14451
2009	57197	72323	15357
2010	58698	76635	15930
2011	60391	72952	15812
2012	60830	71816	16096
2013	60625	64419	17343
2014	62265	64704	18056
2015	72850	74088	20466
2016	76373	87313	21927
2017	72959	94677	21832
2018	76403	107692	22112
2019	79652	134613	23947
2020	78414	136532	24312
2021	78778	159713	25032
2022	78794	193618	26042
2023	82404	200051	26770
2024	61254	180030	22662

Non-citable documents

Year	United States	China	United Kingdom
1996	172	6	94
1997	165	3	75
1998	164	1	100
1999	141	5	58
2000	196	6	60
2001	477	26	156
2002	634	38	247
2003	668	53	222
2004	533	42	161
2005	1006	51	309
2006	1198	81	359
2007	1254	108	384
2008	1322	143	439
2009	1572	280	496
2010	1830	392	658
2011	2130	429	745
2012	2065	501	852
2013	2206	525	906
2014	2520	615	805
2015	2446	747	792
2016	2947	1129	1196
2017	3089	1330	1302
2018	3622	1538	1382
2019	3282	1593	1373
2020	3398	1991	1423
2021	3184	2018	1311
2022	3391	2509	1508
2023	3353	2529	1440
2024	2558	2039	1321

Cited documents

Year	United States	China	United Kingdom
1996	21356	1607	4088
1997	22014	1427	4241
1998	23544	2413	4611
1999	25491	2365	4890
2000	25443	3967	5380
2001	26567	5275	5772
2002	30420	6679	6269
2003	34062	7862	7112
2004	34048	10546	7242
2005	37628	15799	8428
2006	42643	22621	10185
2007	42668	26975	11161
2008	44695	36759	12264
2009	48136	49000	13127
2010	49702	51421	13735
2011	51427	48525	13745
2012	52217	50740	14205
2013	51838	47154	15238
2014	53378	48218	15866
2015	60944	55823	17632
2016	64885	68815	19492
2017	64448	77320	19827
2018	68416	88573	20553
2019	70707	110132	21907
2020	70192	112098	22551
2021	68522	119528	22683
2022	65831	136899	22495
2023	58087	122835	19980
2024	21579	61147	9201

Non-cited documents

Year	United States	China	United Kingdom
1996	6875	1589	1090
1997	5581	820	952
1998	6418	2266	1004
1999	6306	1166	1012
2000	5399	2155	1113
2001	4857	2927	1115
2002	6808	3032	1329
2003	7055	2933	1392
2004	6129	3678	1218
2005	8867	8106	2014
2006	10047	10160	2282
2007	9860	11356	2454
2008	9632	15330	2626
2009	10633	23603	2726
2010	10826	25606	2853
2011	11094	24856	2812
2012	10678	21577	2743
2013	10993	17790	3011
2014	11407	17101	2995
2015	14352	19012	3626
2016	14435	19627	3631
2017	11600	18687	3307
2018	11609	20657	2941
2019	12227	26074	3413
2020	11620	26425	3184
2021	13440	42203	3660
2022	16354	59228	5055
2023	27670	79745	8230
2024	42233	120922	14782

Cites

Year	United States	China	United Kingdom
1996	842455	25689	127119
1997	943746	23205	127323
1998	1037169	36263	148050
1999	994440	40495	155823
2000	1195155	53914	199468
2001	1385005	73542	217069
2002	1473132	103470	228706
2003	1628761	137227	254881
2004	1538814	174305	269887
2005	1512818	225802	276388
2006	1678617	282123	307244
2007	1567029	380733	373840
2008	1614931	444275	336637
2009	1777877	613735	478966
2010	1851291	669797	398632
2011	1909001	701896	439874
2012	1722819	741207	412552
2013	1797440	822803	418867
2014	1879247	952008	459092
2015	2065212	1188767	512667
2016	2170082	1360536	561273
2017	2319961	1696094	565448
2018	2100050	1941346	623169
2019	1854586	2243522	583762
2020	1635393	2135907	526681
2021	1187495	1744833	428720
2022	759842	1426517	284279
2023	391847	817808	151814
2024	65680	193558	32498

External Cites

Year	United States	China	United Kingdom
1996	557783	16079	102808
1997	640757	13992	103689
1998	705021	19419	120364
1999	663540	20953	126504
2000	816143	25764	165821
2001	953521	31855	178665
2002	1012834	46535	189150
2003	1111526	60924	210953
2004	1061087	73015	223050
2005	1024309	90438	228576
2006	1135577	124856	251704
2007	1062908	168602	310371
2008	1074261	199193	273895
2009	1169954	294298	397816
2010	1230365	303816	326701
2011	1271610	302388	364819
2012	1144486	313136	339161
2013	1203986	334205	340704
2014	1276501	379207	376604
2015	1419140	465281	423932
2016	1510886	534060	466994
2017	1661037	658962	475437
2018	1487857	745863	530031
2019	1298706	861947	495343
2020	1150101	793804	445592
2021	826722	584535	361843
2022	522494	442067	237832
2023	266031	247341	125181
2024	45298	55395	26406

Self Cites

Year	United States	China	United Kingdom
1996	284672	9610	24311
1997	302989	9213	23634
1998	332148	16844	27686
1999	330900	19542	29319
2000	379012	28150	33647
2001	431484	41687	38404
2002	460298	56935	39556
2003	517235	76303	43928
2004	477727	101290	46837
2005	488509	135364	47812
2006	543040	157267	55540
2007	504121	212131	63469
2008	540670	245082	62742
2009	607923	319437	81150
2010	620926	365981	71931
2011	637391	399508	75055
2012	578333	428071	73391
2013	593454	488598	78163
2014	602746	572801	82488
2015	646072	723486	88735
2016	659196	826476	94279
2017	658924	1037132	90011
2018	612193	1195483	93138
2019	555880	1381575	88419
2020	485292	1342103	81089
2021	360773	1160298	66877
2022	237348	984450	46447
2023	125816	570467	26633
2024	20382	138163	6092

% International Collaboration

Year	United States	China	United Kingdom
1996	15.13	10.61	21.86
1997	14.83	19.98	25.34
1998	16.04	12.97	26.66
1999	13.26	16.37	22.50
2000	16.57	14.13	25.55
2001	17.72	11.88	26.75
2002	18.99	14.16	29.98
2003	20.50	18.01	32.96
2004	22.18	16.67	35.70
2005	23.05	14.20	38.07
2006	26.11	14.23	39.01
2007	28.57	15.11	41.48
2008	30.29	13.47	43.01
2009	28.39	11.56	43.45
2010	28.59	11.90	44.84
2011	29.26	13.73	46.75
2012	31.37	15.68	49.81
2013	32.94	19.70	51.71
2014	34.37	22.05	53.15
2015	33.26	23.17	53.42
2016	34.07	23.34	55.13
2017	36.59	24.15	57.77
2018	38.33	25.12	61.53
2019	40.24	24.03	62.77
2020	41.90	24.78	65.25
2021	41.05	21.60	66.56
2022	43.36	20.69	68.12
2023	41.69	20.51	68.48
2024	45.27	21.93	72.48

% Open Access

Year	United States	China	United Kingdom
1996	17.11	14.46	13.19
1997	16.33	11.79	13.08
1998	15.94	11.80	13.64
1999	17.70	14.05	16.42
2000	18.30	12.76	16.88
2001	15.60	13.85	16.83
2002	15.61	11.67	18.32
2003	18.01	14.32	20.04
2004	18.84	16.80	21.22
2005	18.62	14.12	21.63
2006	18.08	12.16	21.59
2007	19.57	11.92	23.64
2008	20.76	9.39	25.08
2009	22.89	8.76	26.48
2010	22.52	7.79	26.22
2011	23.93	10.12	28.31
2012	24.15	13.80	28.48
2013	26.47	18.85	32.42
2014	27.59	19.42	39.38
2015	29.22	19.83	43.56
2016	30.29	18.66	49.47
2017	32.73	20.54	53.61
2018	37.50	26.11	57.84
2019	41.50	31.57	58.73
2020	46.45	33.67	63.07
2021	50.31	29.97	65.48
2022	49.98	34.51	63.96
2023	49.36	33.44	63.48
2024	49.19	37.72	58.63

Country/Region Comparison