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Crossref Stats Page: Updated on Aug 25, 2019

MetaData Deposit
Total Records in Database107,643,476
Total Prefixes14,503
Number of Journals70,484
Number of Books1,364,404
Number of Conference Proceedings67,001
Number of Journal DOIs78,701,843
Number of Book DOIs15,857,115
Number of Conference DOIs5,959,421
Number of Components3,869,573
Number of Standards Titles392,106
Number of Standards DOIs308,057
Number of Databases26,850
Number of Database DOIs1,836,443
Number of Articles with References Deposited44,021,587
Number of Cited-By Links944,369,455
Number of DOIs with at least one cited-by link (UNDER CONSTRUCTION)0
Number of Journal Title Level DOIs 32,002
Number of Book Title Level DOIs 1,385,387
Number of ConfProc Title Level DOIs 20,420
Number of Dissertation Title Level DOIs 282,375
Number of Report Title Level DOIs 614,286
Number of Standards Title Level DOIs 307,492
Number of Database Title Level DOIs 23,660
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
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
Jun858,438701,512156,9264,128,236
Jul907,844740,353167,4913,389,352
Aug675,810520,459155,3513,278,662


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%
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%
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%
Aug109,678,97645,549,77942%48%54%69%112,884,800107,390,63995%


Monthly ORCID Auto-Update Data

MonthAuthors Granting
Permission
Works Added to
Authors Records
Jul20,89679,830
Aug20,99477,959
Sep21,19671,816
Oct24,97586,024
Nov24,92285,735
Dec22,69279,642
Jan28,13994,440
Feb25,83090,182
Mar26,38695,016
Apr22,26692,117
May37,608117,372
Jun25,64798,685
Jul30,200114,941
Aug27,60488,764

ORCID Totals

StatisticTotal
Total orcid/article pairs4,808,178
Total unique orcids1,829,832
Total works pushed2,320,042
Authors granting777,730
Authors denying504,366
Authors not responding559,588