Country/Region Comparison

Documents
YearUnited StatesChinaUnited Kingdom
19964759642728
199746936751006
19984707629934
199944861041926
20004511971981
200146981779891
200247261064896
200348831452952
2004513825541012
2005568140641287
2006589446521253
2007643147721642
2008740447911755
2009826752022027
2010961650382491
20111189762193127
20121540087484305
201317478123605150
201416579122594807
201518256143595338
201618810167256086
201718777157206131
201816635116655565
201916694111215527
202017564129655792
202117828136846054
202217421146336116
202316160191575984
202417877307146833
Citable documents
YearUnited StatesChinaUnited Kingdom
19964246639607
19974113674843
19984130625817
199940821041821
20004133969898
200142961774809
200242891058760
200343891449845
200446662539878
2005515740541111
2006519046411052
2007577447611455
2008670347551573
2009756051571852
2010885349092258
20111109660872869
20121460085594026
201316650121774853
201415782120874581
201517287141795081
201617669165335747
201717661155115841
201815689113355283
201915868108375282
202016686125915560
202117074133545810
202216603142745828
202315131185935694
202417226303646561
Non-citable documents
YearUnited StatesChinaUnited Kingdom
19965133121
19975801163
19985774117
19994040105
2000378283
2001402582
20024376136
20034943107
200447215134
200552410176
200670411201
200765711187
200870136182
200970745175
2010763129233
2011801132258
2012800189279
2013828183297
2014797172226
2015969180257
20161141192339
20171116209290
2018946330282
2019826284245
2020878374232
2021754330244
2022818359288
20231029564290
2024651350272
Cited documents
YearUnited StatesChinaUnited Kingdom
19964406378653
19974359449748
19984354441760
19994210694730
20004292728843
200144191172751
20024502812802
200345841129863
200448571847899
2005517928081058
2006525733061030
2007590334001386
2008670136221538
2009756739561750
2010874338412140
20111125951862853
20121460574963994
201316808106974853
201415792111024501
201517147131985008
201617705155745709
201717751144965832
201815648105705262
201915631100525187
202016851117465535
202116413120885594
202215380124225346
202313172145464811
20247123110852692
Non-cited documents
YearUnited StatesChinaUnited Kingdom
199635326475
1997334226258
1998353188174
1999276347196
2000219243138
2001279607140
200222425294
200329932389
2004281707113
20055021256229
20066371346223
20075281372256
20087031169217
20097001246277
20108731197351
20116381033274
20127951252311
20136701663297
20147871157306
201511091161330
201611051151377
201710261224299
20189871095303
201910631069340
20207131219257
202114151596460
202220412211770
2023298846111173
202410754196294141
Cites
YearUnited StatesChinaUnited Kingdom
199610630147949134885
199711626569543169639
1998122073410820193009
1999116556017028181661
2000131816616675273281
2001130693145695196876
2002132009030297222881
2003125064942405224722
2004125588764329294907
2005131776467291309594
2006129457467054265990
2007124180880951302246
20081388165106330300052
20091381417146525315685
20101389316168134365360
20111476736205388335221
20121562389333319439225
20131484760444600411510
20141322029467640371599
20151390331536240407512
20161207335573723399346
20171095060513690347502
2018919779368943292161
2019786020312686230482
2020752492396226261174
2021493102259221183811
202227934817868198809
202313418211106845730
2024274783299511213
External Cites
YearUnited StatesChinaUnited Kingdom
19965560324249112572
19976330374281142774
19986827065523161877
19996599778932152459
20007634757110234197
200175406027557165458
200275789313609186561
200371232022611189477
200472638431700253369
200575022235133261455
200675863733529224125
200771488443083250328
200881488653536250313
200979514281157262169
201079663794324303215
2011864422117290275703
2012915343187901361559
2013873141238244336117
2014785924247182300342
2015858754273362333692
2016742688288104326450
2017687773253503284371
2018580309170793239256
2019492755136984188421
2020478533193077216510
2021313623104032151782
20221763366543880961
2023856543814636908
202417536115469005
Self Cites
YearUnited StatesChinaUnited Kingdom
1996506982370022313
1997529619526226865
1998538028529731132
1999505583809629202
2000554691956539084
20015528711813831418
20025621971668836320
20035383291979435245
20045295033262941538
20055675423215848139
20065359373352541865
20075269243786851918
20085732795279449739
20095862756536853516
20105926797381062145
20116123148809859518
201264704614541877666
201361161920635675393
201453610522045871257
201553157726287873820
201646464728561972896
201740728726018763131
201833947019815052905
201929326517570242061
202027395920314944664
202117947915518932029
202210301211324317848
202348528729228822
20249942214492208
% International Collaboration
YearUnited StatesChinaUnited Kingdom
199622.138.8839.01
199723.5211.4131.61
199824.3012.5635.22
199925.8413.2637.58
200025.479.7842.10
200122.827.6438.95
200222.6011.7536.38
200330.1013.1551.47
200431.359.7550.99
200534.878.2455.71
200634.467.4857.38
200737.559.2256.64
200839.1510.6265.24
200939.7613.0964.13
201040.4515.8264.43
201143.3222.0665.37
201245.4625.8767.78
201347.7525.8068.08
201449.8527.0370.25
201550.9829.0371.21
201652.9529.0069.72
201753.2829.4871.29
201852.1928.6273.10
201950.8129.9372.79
202051.9129.2776.35
202151.1228.4575.11
202252.3027.0876.24
202351.5222.5575.32
202455.3520.1277.39
% Open Access
YearUnited StatesChinaUnited Kingdom
199655.6420.4050.27
199757.047.2645.33
199856.198.1144.86
199956.4412.6844.82
200055.4610.4045.46
200157.5614.9546.58
200259.9914.5747.99
200358.0415.7749.37
200460.8417.7851.19
200560.4120.1349.34
200658.4821.2649.56
200764.1424.7555.18
200871.1829.0565.81
200976.4532.9969.17
201079.0734.7472.50
201185.2056.9281.36
201288.1867.1786.13
201391.1173.2788.60
201489.6675.0388.41
201590.6681.1590.88
201690.9784.4291.74
201792.1085.1593.05
201892.1180.5593.15
201992.0678.8492.76
202094.7483.6594.96
202192.5381.2693.39
202291.6080.5892.76
202391.4183.2992.93
202489.1088.1690.14
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