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Crossref Stats Page: Updated on Sep 16, 2019

MetaData Deposit
Total Records in Database108,115,737
Total Prefixes14,641
Number of Journals71,149
Number of Books1,365,758
Number of Conference Proceedings67,673
Number of Journal DOIs78,978,025
Number of Book DOIs15,944,072
Number of Conference DOIs5,995,882
Number of Components3,913,089
Number of Standards Titles392,705
Number of Standards DOIs308,653
Number of Databases27,077
Number of Database DOIs1,854,902
Number of Articles with References Deposited44,250,907
Number of Cited-By Links952,104,933
Number of DOIs with at least one cited-by link (UNDER CONSTRUCTION)0
Number of Journal Title Level DOIs 32,308
Number of Book Title Level DOIs 1,386,385
Number of ConfProc Title Level DOIs 20,830
Number of Dissertation Title Level DOIs 285,904
Number of Report Title Level DOIs 615,204
Number of Standards Title Level DOIs 308,088
Number of Database Title Level DOIs 23,869
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
(2016)6,125,8073,971,1362,154,67126,670,973
(2017)7,384,8185,109,0752,275,74331,278,043
(2018)8,265,9186,240,5712,025,34733,609,916
Aug874,231640,770233,4613,333,069
Sep809,045686,085122,9602,553,305
Oct849,490737,221112,2693,279,579
Nov827,655705,722121,9333,434,929
Dec780,544671,698108,8462,809,222
Jan837,106643,227193,8793,709,404
Feb739,634600,221139,4132,930,021
Mar883,267709,834173,4333,394,481
Apr911,489699,395212,0943,526,819
May1,022,569765,045257,5244,071,354
Jun858,438701,512156,9264,128,236
Jul907,844740,353167,4913,389,352
Aug923,789722,202201,5874,967,915
Sep426,626330,65895,9682,934,217


Monthly Query Data

MonthTotal MetaData
Queries
Total Matches%% by group
( Lib Pub Aflt )
Total DOI
Queries
Total Matches %
(2016)2,132,786,834741,439,41035%59%46%46%1,082,427,3471,001,605,89193%
(2017)2,104,222,315726,991,60435%51%40%40%1,522,141,0931,397,871,16892%
(2018)2194087319754,970,92334%51%43%43%1,823,393,3791,738,885,21895%
Aug183,486,67964,678,39135%49%45%76%149,760,753144,149,65896%
Sep175,579,74255,239,39331%52%38%73%126,702,532120,759,40895%
Oct186,639,13165,918,58035%56%42%73%156,798,578149,988,86196%
Nov182,717,30663,494,72735%55%44%74%195,014,038182,442,19394%
Dec127,351,47356,427,04944%55%48%72%177,168,246170,607,39296%
Jan126,964,51763,996,54150%58%42%60%127,096,055119,483,24194%
Feb141,564,96577,731,76055%59%50%68%131,022,077123,932,71995%
Mar128,308,24168,458,71453%59%53%67%155,800,023147,005,05794%
Apr149,186,03668,873,98446%56%58%68%149,987,175141,707,40594%
May172,624,83868,086,94639%54%61%66%150,178,136141,697,07594%
Jun129,897,36152,710,69141%55%51%68%263,675,557214,375,45181%
Jul124,518,87358,381,31747%52%52%72%152,592,199145,168,55395%
Aug141,232,76259,310,35942%49%53%69%148,616,500141,484,67595%
Sep72,721,96327,796,76038%49%44%70%74,294,52771,043,07796%


Monthly ORCID Auto-Update Data

MonthAuthors Granting
Permission
Works Added to
Authors Records
Aug20,99477,959
Sep21,18771,816
Oct24,96886,024
Nov24,91285,735
Dec22,68379,642
Jan28,11994,440
Feb25,81290,182
Mar26,33995,016
Apr22,21192,117
May37,513117,372
Jun25,54498,685
Jul30,065114,941
Aug36,468117,758
Sep3,27037,292

ORCID Totals

StatisticTotal
Total orcid/article pairs4,949,476
Total unique orcids1,871,511
Total works pushed2,386,328
Authors granting789,332
Authors denying510,017
Authors not responding584,046