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Crossref Stats Page: Updated on Jun 25, 2019

MetaData Deposit
Total Records in Database106,173,192
Total Prefixes14,011
Number of Journals68,596
Number of Books1,349,521
Number of Conference Proceedings66,065
Number of Journal DOIs77,802,485
Number of Book DOIs15,536,432
Number of Conference DOIs5,870,678
Number of Components3,775,220
Number of Standards Titles389,119
Number of Standards DOIs305,463
Number of Databases26,143
Number of Database DOIs1,807,776
Number of Articles with References Deposited43,321,965
Number of Cited-By Links920,941,439
Number of DOIs with at least one cited-by link (UNDER CONSTRUCTION)0
Number of Journal Title Level DOIs 30,776
Number of Book Title Level DOIs 1,370,118
Number of ConfProc Title Level DOIs 20,028
Number of Dissertation Title Level DOIs 271,874
Number of Report Title Level DOIs 606,306
Number of Standards Title Level DOIs 304,898
Number of Database Title Level DOIs 23,064
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
May786,709604,126182,5833,619,532
Jun989,215595,673393,5423,242,222
Jul822,896638,712184,1843,597,060
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
Jun666,482538,952127,5303,367,811


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%
May190,472,76563,906,60834%46%46%74%156,417,656149,214,16795%
Jun199,885,89272,625,61436%44%44%61%130,753,888124,940,78196%
Jul198,568,36266,671,38234%46%44%65%135,985,549131,058,63896%
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%
Jun102,402,14341,307,19440%55%52%68%189,068,385175,518,76993%


Monthly ORCID Auto-Update Data

MonthAuthors Granting
Permission
Works Added to
Authors Records
May21,79070,072
Jun19,68865,726
Jul20,90979,830
Aug21,01977,959
Sep21,21671,816
Oct25,00986,024
Nov24,94085,735
Dec22,72979,642
Jan28,23294,440
Feb25,95090,182
Mar26,56295,016
Apr22,46792,117
May38,025117,372
Jun20,64973,740

ORCID Totals

StatisticTotal
Total orcid/article pairs4,415,188
Total unique orcids1,709,750
Total works pushed2,091,392
Authors granting716,166
Authors denying486,682
Authors not responding517,159