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Crossref Stats Page: Updated on Sep 29, 2022

MetaData Deposit
Total Records in Database139,184,006
Total Prefixes24,451
Number of Journals107,636
Number of Books1,761,905
Number of Conference Proceedings93,573
Number of Journal DOIs97,756,867
Number of Book DOIs22,348,451
Number of Conference DOIs7,475,031
Number of Components5,816,890
Number of Standards Titles448,935
Number of Standards DOIs359,483
Number of Databases61,736
Number of Database DOIs2,689,863
Number of Articles with References Deposited57,573,592
Number of Cited-By Links1,379,210,664
Number of DOIs with at least one cited-by link (UNDER CONSTRUCTION)0
Number of Journal Title Level DOIs 49,755
Number of Book Title Level DOIs 1,791,079
Number of ConfProc Title Level DOIs 58,757
Number of Dissertation Title Level DOIs 552,273
Number of Report Title Level DOIs 727,841
Number of Standards Title Level DOIs 358,918
Number of Database Title Level DOIs 44,937
Number of Unique DOIs with FundRef data 2,947,660

Monthly Deposit Data

MonthTotal Records
Added
Total Current
Deposits
Total BackFile
Deposits
Total Records
Updated
(2019)11,118,4618,583,2982,535,16350,533,616
(2020)12,462,5449,986,0052,476,53945,287,268
(2021)12,985,66110,349,5432,636,11851,337,993
Aug959,029783,767175,2625,030,489
Sep998,798835,853162,9453,324,506
Oct1,163,782865,453298,3293,467,668
Nov1,237,1411,001,453235,6883,649,436
Dec1,023,880899,676124,2043,302,806
Jan1,130,237867,853262,3843,488,628
Feb1,007,791795,827211,9643,300,538
Mar1,097,476905,802191,6744,290,807
Apr930,495801,651128,8443,582,107
May977,632855,939121,6933,230,096
Jun1,081,628910,095171,5333,963,346
Jul994,155875,020119,1352,949,432
Aug982,849857,127125,7222,562,714
Sep976,118823,162152,9562,288,199


Monthly Query Data

MonthTotal MetaData
Queries
Total Matches%% by group
( Lib Pub Aflt )
Total DOI
Queries
Total Matches %
(2019)1,656,796,256783,711,58547%53%51%51%1,848,492,2611,716,370,97493%
(2020)1,523,069,914710,874,30447%48%49%49%1,590,084,0451,472,849,57693%
(2021)1,409,971,973737,322,61052%42%52%52%2260129170215223692795%
Aug124,399,06266,887,68154%43%51%72%160,011,733151,249,44895%
Sep110,966,88158,299,46853%43%59%71%266,494,876257,252,94797%
Oct110,316,91255,204,67350%41%57%72%234,254,710224,459,97896%
Nov108,285,73758,408,11454%41%57%74%210,268,039199,826,26795%
Dec108,015,73060,129,10456%42%57%71%226,678,229216,017,05095%
Jan108,879,60861,714,03057%43%57%74%219,305,747209,041,49295%
Feb106,289,64259,283,79956%42%59%73%230,170,662220,917,17296%
Mar109,234,35558,028,53253%41%62%68%253,028,591243,613,48596%
Apr97,773,24950,608,12452%41%62%68%245,241,400236,291,04996%
May117,952,24360,234,76551%38%55%68%215,439,558205,650,51595%
Jun111,521,84266,859,31660%33%55%67%201,642,204192,095,92095%
Jul133,565,96667,317,49550%30%48%68%172,292,323164,322,80995%
Aug120,353,70259,223,50849%33%49%69%191,792,692183,463,53896%
Sep119,576,98059,158,60649%37%54%70%197,378,681188,255,03895%


Monthly ORCID Auto-Update Data

MonthAuthors Granting
Permission
Works Added to
Authors Records
Aug69,944280,966
Sep71,270294,529
Oct66,262292,127
Nov66,705306,087
Dec53,854284,648
Jan53,638256,790
Feb59,560300,793
Mar54,299314,306
Apr55,620272,069
May56,047293,573
Jun49,165292,205
Jul59,357296,970
Aug56,284304,011
Sep56,081289,779

ORCID Totals

StatisticTotal
Total orcid/article pairs17,822,898
Total unique orcids4,877,113
Total works pushed11,066,681
Authors granting2,714,430
Authors denying491,855
Authors not responding1,688,156