Country/Region Comparison

Documents
YearUnited StatesChinaUnited Kingdom
199647028860211200
199746573946411715
1998477751125311785
1999482901032712023
2000485141229612837
2001501281458812367
2002540121577213034
2003563671718314226
2004556842183614269
2005614253565715490
2006658174090716934
2007622854532016951
2008615874951417089
2009609765357117408
2010624835402017293
2011640266030117992
2012654666186618006
2013614886847117977
2014634777230019314
2015642397821020692
2016688838678821858
2017680599531522580
20186771011062222017
20196626612409622392
20206447712782622181
20216189714839222372
20226070816009421900
20235663716686321111
20245608117649921008
Citable documents
YearUnited StatesChinaUnited Kingdom
199646486858211103
199746150942811624
1998473701123511706
1999479141029711954
2000481431226712784
2001494141452712171
2002533211569412865
2003556091710513964
2004551252179214111
2005606273561215252
2006649294083616667
2007613534509416652
2008606374941316828
2009599915345017059
2010614805387016947
2011631486013017727
2012644546170517681
2013605476824217644
2014624607207619018
2015632077792120367
2016676938638421458
2017668639490122161
20186640911011821595
20196487312348021893
20206302412706221681
20216068114762921971
20225953215925521461
20235537116593420722
20245485817545220611
Non-citable documents
YearUnited StatesChinaUnited Kingdom
19965422097
19974233691
19984051879
19993763069
20003712953
200171461196
200269178169
200375878262
200455944158
200579845238
200688871267
2007932226299
2008950101261
2009985121349
20101003150346
2011878171265
20121012161325
2013941229333
20141017224296
20151032289325
20161190404400
20171196414419
20181301504422
20191393616499
20201453764500
20211216763401
20221176839439
20231266929389
202412231047397
Cited documents
YearUnited StatesChinaUnited Kingdom
199641048553210029
199741172677010658
199841716762710679
199941946771810888
200042074948911429
2001428271140710958
2002456221240111499
2003477191440812408
2004488081872012897
2005511492809613383
2006530683303614271
2007507843670714169
2008514364080114669
2009509194336714802
2010524154535315048
2011535455050215573
2012562305355915791
2013530005870815842
2014542916264616937
2015548326688217975
2016587357356319296
2017581828124319660
2018581459350319529
20195679910405319670
20205615710764419872
20215290012018719610
20224909012491318497
20234314511423316605
202424224651469707
Non-cited documents
YearUnited StatesChinaUnited Kingdom
1996598030701171
1997540126941057
1998605936261106
1999634426091135
2000644028071408
2001730131811409
2002839033711535
2003864827751818
2004687631161372
20051027675612107
20061274978712663
20071150186132782
20081015187132420
200910057102042606
20101006886672245
20111048197992419
2012923683072215
2013848897632135
2014918696542377
20159407113282717
201610148132252562
20179877140722920
20189565171192488
20199467200432722
20208320201822309
20218997282052762
202211618351813403
202313492526304506
20243185711135311301
Cites
YearUnited StatesChinaUnited Kingdom
1996199925890777367411
19971780962111274426437
19982018090133798431332
19991969951142713461470
20002027664197476524518
20012037653227010476927
20022090610281675520766
20032342193370793565886
20042391207458367587934
20052401453588299626367
20062403918723167669318
20072326738791741692607
20082465716943395661298
20092395661964539721271
201024882241063850686587
201123112741128231666051
201224173601298202688342
201323008171356297700124
201422615971504072733253
201521441591602492745038
201620944421659765745194
201719114901861614681396
201818262212115902628830
201915922762139116566946
202013909651998169524366
202110132701753250400038
20226069011382058249490
2023321988785268136340
20247652921009133183
External Cites
YearUnited StatesChinaUnited Kingdom
1996125850951381290914
1997108232663060336385
1998123942473938339722
1999121505076435367721
20001248058104441418265
20011241330116386374486
20021277343143521411810
20031436512186996443074
20041472365226125460852
20051485458277738491755
20061470462340116521536
20071421008351655546643
20081528362432108511493
20091477359429136563592
20101533238467784525893
20111417636481390502023
20121485285547162521770
20131408066551513525175
20141404526597427559618
20151325831613501565813
20161299872623165570413
20171197526682691521580
20181146839742156480423
20191015623742937436702
2020891984672186405596
2021645389523807308698
2022375192372352190290
2023195188202354101249
2024439935260823904
Self Cites
YearUnited StatesChinaUnited Kingdom
19967407493939676497
19976986364821490052
19987786665986091610
19997549016627893749
200077960693035106253
2001796323110624102441
2002813267138154108956
2003905681183797122812
2004918842232242127082
2005915995310561134612
2006933456383051147782
2007905730440086145964
2008937354511287149805
2009918302535403157679
2010954986596066160694
2011893638646841164028
2012932075751040166572
2013892751804784174949
2014857071906645173635
2015818328988991179225
20167945701036600174781
20177139641178923159816
20186793821373746148407
20195766531396179130244
20204989811325983118770
2021367881122944391340
2022231709100970659200
202312680058291435091
2024325361574839279
% International Collaboration
YearUnited StatesChinaUnited Kingdom
199627.6118.6143.13
199728.5021.1645.69
199828.5819.4346.81
199928.0719.8446.07
200030.4721.4445.52
200131.1519.2748.44
200231.4821.4949.51
200334.9824.3654.05
200435.1320.8755.61
200534.4315.2855.64
200635.2815.6455.40
200737.6615.4456.83
200838.5215.4558.54
200938.5615.6359.24
201038.9417.0260.43
201140.0517.1861.32
201241.8318.2163.35
201343.5517.8365.37
201444.6419.0566.16
201545.1019.6166.08
201646.2020.9667.71
201746.9421.3768.94
201849.0521.3571.29
201949.2921.1071.17
202050.5921.1673.44
202150.6418.1874.42
202249.9317.4274.44
202350.9816.1974.80
202453.1516.8677.61
% Open Access
YearUnited StatesChinaUnited Kingdom
199619.5811.6816.63
199722.0011.7020.44
199822.7712.5223.33
199923.8213.5822.80
200025.2513.3924.64
200125.6914.1828.12
200226.7214.1230.44
200327.6114.3230.90
200427.8916.1933.70
200528.1018.8135.18
200629.0218.9636.42
200729.8417.9737.13
200833.9320.8842.20
200936.5821.3543.82
201038.1520.8446.49
201140.1621.5448.55
201242.7423.3252.94
201343.5824.3054.90
201446.9125.1762.24
201551.9126.2866.71
201652.7126.4570.98
201754.2329.8674.21
201857.0232.9376.05
201958.5536.8275.36
202064.1542.4879.55
202167.2543.2780.06
202267.2136.5780.21
202365.1336.2678.67
202460.0534.6975.17
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