SJR Compare Countries

Documents

Year	United States	China	United Kingdom
1996	363333	31045	92589
1997	363425	36329	97563
1998	361627	42807	99274
1999	359817	43502	100094
2000	373007	51599	107299
2001	375495	65687	103043
2002	398807	68549	106554
2003	442904	81936	121733
2004	477338	117129	127797
2005	527998	171173	143029
2006	544682	201293	151260
2007	547901	223156	158784
2008	554071	261129	161661
2009	590707	307348	172361
2010	615405	340022	177475
2011	638264	390093	182077
2012	676244	416993	198845
2013	698181	456116	211756
2014	690563	487892	204153
2015	708794	464417	211801
2016	716269	502659	225957
2017	735452	547726	232506
2018	744306	607836	234210
2019	733093	723048	231267
2020	742757	808780	238119
2021	768099	901535	253153
2022	736868	1042935	247055
2023	734258	1076300	245243
2024	743884	1215824	252604

Citable documents

Year	United States	China	United Kingdom
1996	353137	30934	86853
1997	352993	36237	92030
1998	349248	42722	93294
1999	344534	43380	92154
2000	356437	51405	98888
2001	356582	65423	94266
2002	377872	68261	97399
2003	401765	81037	103092
2004	432430	116456	109753
2005	467598	170228	119215
2006	477217	199705	125829
2007	469052	221352	129907
2008	473835	258606	130875
2009	504566	303877	139314
2010	520699	335910	142521
2011	537087	385093	147227
2012	553892	410300	153526
2013	564890	447782	160092
2014	569505	478885	162820
2015	577971	454446	169355
2016	586390	491343	173855
2017	597514	535374	178796
2018	611411	594466	183745
2019	615290	708055	188386
2020	634028	790175	197620
2021	657046	881698	210926
2022	627016	1018973	204044
2023	611029	1048739	199385
2024	636319	1190419	211490

Non-citable documents

Year	United States	China	United Kingdom
1996	10196	111	5736
1997	10432	92	5533
1998	12379	85	5980
1999	15283	122	7940
2000	16570	194	8411
2001	18913	264	8777
2002	20935	288	9155
2003	41139	899	18641
2004	44908	673	18044
2005	60400	945	23814
2006	67465	1588	25431
2007	78849	1804	28877
2008	80236	2523	30786
2009	86141	3471	33047
2010	94706	4112	34954
2011	101177	5000	34850
2012	122352	6693	45319
2013	133291	8334	51664
2014	121058	9007	41333
2015	130823	9971	42446
2016	129879	11316	52102
2017	137938	12352	53710
2018	132895	13370	50465
2019	117803	14993	42881
2020	108729	18605	40499
2021	111053	19837	42227
2022	109852	23962	43011
2023	123229	27561	45858
2024	107565	25405	41114

Cited documents

Year	United States	China	United Kingdom
1996	306246	19344	79617
1997	311169	23708	83545
1998	312653	27760	85618
1999	315315	30532	86984
2000	328295	37711	93580
2001	332091	47175	90158
2002	350192	52865	93461
2003	381577	64143	104420
2004	406862	91654	110372
2005	438187	128497	119094
2006	452073	152747	126541
2007	452312	172568	133289
2008	462340	201979	136125
2009	494392	235586	145037
2010	512372	260464	150022
2011	529426	293854	154110
2012	560221	320969	166303
2013	574281	354350	175733
2014	575838	385866	172588
2015	589017	396614	179624
2016	598914	433368	188565
2017	613256	476778	194326
2018	623291	531975	196542
2019	616025	627867	196447
2020	633791	696578	205627
2021	640167	760100	213404
2022	576514	851751	196283
2023	490217	771948	169009
2024	248601	443439	93083

Non-cited documents

Year	United States	China	United Kingdom
1996	57087	11701	12972
1997	52256	12621	14018
1998	48974	15047	13656
1999	44502	12970	13110
2000	44712	13888	13719
2001	43404	18512	12885
2002	48615	15684	13093
2003	61327	17793	17313
2004	70476	25475	17425
2005	89811	42676	23935
2006	92609	48546	24719
2007	95589	50588	25495
2008	91731	59150	25536
2009	96315	71762	27324
2010	103033	79558	27453
2011	108838	96239	27967
2012	116023	96024	32542
2013	123900	101766	36023
2014	114725	102026	31565
2015	119777	67803	32177
2016	117355	69291	37392
2017	122196	70948	38180
2018	121015	75861	37668
2019	117068	95181	34820
2020	108966	112202	32492
2021	127932	141435	39749
2022	160354	191184	50772
2023	244041	304352	76234
2024	495283	772385	159521

Cites

Year	United States	China	United Kingdom
1996	16370754	331418	3497104
1997	17070433	411956	3916573
1998	18313057	483253	4219630
1999	18793777	586054	4420274
2000	21336285	761841	5316308
2001	21669132	963914	4986341
2002	22545359	1213173	5415468
2003	24047476	1608735	5924458
2004	25001046	2178154	6273801
2005	25332354	2757838	6537877
2006	25235044	3260944	6733768
2007	24643610	3877178	6953546
2008	24628405	4576234	6829492
2009	25374239	5400956	7230043
2010	25364646	6119657	7112176
2011	24812662	6876760	6989281
2012	24354641	7842633	7059845
2013	23468719	8879075	7130040
2014	22683284	9957418	6905210
2015	22227499	11062066	6993874
2016	20939495	11578057	6787105
2017	20106797	12937515	6573641
2018	18450359	14145757	6144319
2019	16096222	15119719	5517734
2020	14655795	15659002	5329400
2021	10697062	12732170	4117379
2022	6204694	10057559	2462263
2023	3074160	5528908	1228702
2024	694392	1404224	295326

External Cites

Year	United States	China	United Kingdom
1996	9185010	190946	2757766
1997	9586650	239649	3100032
1998	10363708	265682	3353933
1999	10672143	316262	3524060
2000	12387431	390725	4274553
2001	12592260	485482	3992069
2002	13117407	604949	4349817
2003	14089930	811167	4754893
2004	14724662	1076314	5037306
2005	14916405	1322255	5246586
2006	14874042	1545660	5369002
2007	14553237	1821314	5558447
2008	14627062	2171696	5447930
2009	15064817	2554587	5778697
2010	15182177	2842834	5670926
2011	14876002	3122935	5549361
2012	14602884	3490412	5596795
2013	14105172	3856150	5639676
2014	13774049	4186588	5495723
2015	13680141	4538058	5583484
2016	13054946	4585295	5432894
2017	12750195	4978064	5295788
2018	11791964	5181956	4956293
2019	10366491	5376670	4459840
2020	9558437	5847559	4336168
2021	6904219	4057660	3329110
2022	3946012	2919906	1979262
2023	1925788	1541324	974679
2024	421768	379703	226612

Self Cites

Year	United States	China	United Kingdom
1996	7185744	140472	739338
1997	7483783	172307	816541
1998	7949349	217571	865697
1999	8121634	269792	896214
2000	8948854	371116	1041755
2001	9076872	478432	994272
2002	9427952	608224	1065651
2003	9957546	797568	1169565
2004	10276384	1101840	1236495
2005	10415949	1435583	1291291
2006	10361002	1715284	1364766
2007	10090373	2055864	1395099
2008	10001343	2404538	1381562
2009	10309422	2846369	1451346
2010	10182469	3276823	1441250
2011	9936660	3753825	1439920
2012	9751757	4352221	1463050
2013	9363547	5022925	1490364
2014	8909235	5770830	1409487
2015	8547358	6524008	1410390
2016	7884549	6992762	1354211
2017	7356602	7959451	1277853
2018	6658395	8963801	1188026
2019	5729731	9743049	1057894
2020	5097358	9811443	993232
2021	3792843	8674510	788269
2022	2258682	7137653	483001
2023	1148372	3987584	254023
2024	272624	1024521	68714

% International Collaboration

Year	United States	China	United Kingdom
1996	18.72	17.24	26.59
1997	17.12	16.84	26.17
1998	18.69	15.85	27.53
1999	17.97	15.84	26.69
2000	18.61	16.29	27.03
2001	18.13	13.44	27.32
2002	19.13	16.09	29.19
2003	21.97	18.60	33.12
2004	22.81	16.42	35.23
2005	23.37	13.81	35.81
2006	24.33	13.99	36.11
2007	25.84	14.43	37.42
2008	27.65	14.53	39.50
2009	25.88	14.31	39.38
2010	25.80	14.75	40.04
2011	26.54	14.84	41.34
2012	27.33	15.59	41.57
2013	28.24	16.66	42.75
2014	29.84	17.54	46.16
2015	30.83	20.73	48.27
2016	32.22	21.53	48.51
2017	32.86	22.30	50.02
2018	34.18	23.19	52.38
2019	35.65	22.43	54.99
2020	37.00	22.06	57.75
2021	37.18	20.61	59.44
2022	38.17	19.21	60.45
2023	37.13	18.28	60.72
2024	38.18	18.13	62.33

% Open Access

Year	United States	China	United Kingdom
1996	21.35	15.37	20.82
1997	23.00	15.28	22.56
1998	23.90	16.50	23.96
1999	24.56	17.17	24.73
2000	24.38	17.17	25.05
2001	24.27	18.05	26.08
2002	24.53	18.22	27.09
2003	25.06	20.27	26.92
2004	25.73	21.05	28.43
2005	25.21	20.83	27.91
2006	26.10	20.19	28.49
2007	27.92	19.88	29.70
2008	32.03	20.49	31.13
2009	34.63	20.37	32.94
2010	35.45	19.19	33.91
2011	36.79	20.21	36.02
2012	37.65	22.81	35.94
2013	38.56	25.98	38.44
2014	41.18	27.48	46.24
2015	43.28	32.97	52.02
2016	45.06	33.68	57.22
2017	45.54	36.14	60.29
2018	47.81	37.69	62.73
2019	50.42	40.15	65.64
2020	54.49	43.63	69.29
2021	56.74	44.83	71.24
2022	56.32	45.48	70.61
2023	54.38	42.85	68.94
2024	45.38	38.61	63.25

Country/Region Comparison