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Crossref Stats Page: Updated on Sep 27, 2023

MetaData Deposit
Total Records in Database151,269,950
Total Prefixes27,153
Number of Journals122,341
Number of Books1,902,106
Number of Conference Proceedings104,133
Number of Journal DOIs104,061,479
Number of Book DOIs24,419,212
Number of Conference DOIs8,072,523
Number of Components7,826,637
Number of Standards Titles469,655
Number of Standards DOIs379,292
Number of Databases63,669
Number of Database DOIs2,914,735
Number of Articles with References Deposited62,062,645
Number of Cited-By Links1,528,473,251
Number of DOIs with at least one cited-by link (UNDER CONSTRUCTION)0
Number of Journal Title Level DOIs 58,331
Number of Book Title Level DOIs 1,938,716
Number of ConfProc Title Level DOIs 64,788
Number of Dissertation Title Level DOIs 618,084
Number of Report Title Level DOIs 762,351
Number of Standards Title Level DOIs 378,727
Number of Database Title Level DOIs 38,372
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
(2020)12,462,5449,986,0052,476,53945,287,268
(2021)12,985,66110,349,5432,636,11851,337,993
(2022)12,707,98510,665,7782,042,20739,685,228
Aug982,849857,127125,7222,562,714
Sep1,092,490933,137159,3532,553,023
Oct1,048,965904,297144,6683,266,357
Nov1,123,9831,023,039100,9443,002,641
Dec1,240,284935,991304,2933,495,539
Jan1,239,787885,485354,3024,012,139
Feb1,375,777828,437547,3403,444,197
Mar1,204,7881,031,855172,9334,572,380
Apr1,081,178976,455104,7234,609,743
May1,362,2051,158,155204,0509,431,332
Jun2,797,3611,303,6811,493,6808,433,503
Jul5,329,3242,910,4962,418,8289,579,676
Aug3,288,8421,934,2171,354,62514,717,295
Sep5,222,2631,003,7084,218,55513,826,104


Monthly Query Data

MonthTotal MetaData
Queries
Total Matches%% by group
( Lib Pub Aflt )
Total DOI
Queries
Total Matches %
(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%
(2022)1,422,315,910758,731,17253%39%56%56%2676124969255801502396%
Aug120,353,70259,223,50849%33%49%69%191,792,692183,463,53896%
Sep128,913,71964,134,40950%37%54%70%211,849,503202,007,41895%
Oct127,610,90768,128,42953%39%55%70%243,957,711232,373,26195%
Nov131,879,25075,717,53457%40%59%67%260,103,583247,377,22795%
Dec128,341,42767,481,23153%39%53%66%231,300,995220,861,13795%
Jan147,394,04077,513,72853%37%49%68%246,545,315235,253,68795%
Feb123,896,57072,572,86759%38%58%71%263,266,491251,860,71996%
Mar131,417,05277,557,87759%39%55%65%318,927,002305,559,33096%
Apr141,332,41274,884,15053%38%60%67%322,830,716309,517,27696%
May172,246,73767,096,14139%36%57%69%365,866,086350,859,60196%
Jun147,096,24163,374,84043%37%61%67%347,568,859333,063,50596%
Jul152,817,18966,348,25043%36%58%71%253,878,141242,458,37196%
Aug158,249,09865,745,62542%37%62%72%223,692,046214,440,23596%
Sep150,594,81766,160,05544%37%62%72%212,906,784204,561,83196%


Monthly ORCID Auto-Update Data

MonthAuthors Granting
Permission
Works Added to
Authors Records
Aug54,708304,011
Sep57,864314,346
Oct60,249313,646
Nov71,525365,932
Dec63,583350,354
Jan72,261372,590
Feb65,863376,889
Mar73,361428,444
Apr64,517496,654
May74,782452,850
Jun68,699412,223
Jul71,849414,434
Aug68,508409,354
Sep38,699324,336

ORCID Totals

StatisticTotal
Total orcid/article pairs24,057,166
Total unique orcids6,000,984
Total works pushed15,808,961
Authors granting3,502,903
Authors denying6,382
Authors not responding2,508,196