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Crossref Stats Page: Updated on Oct 22, 2019

MetaData Deposit
Total Records in Database109,166,516
Total Prefixes14,909
Number of Journals72,039
Number of Books1,378,901
Number of Conference Proceedings68,213
Number of Journal DOIs79,732,471
Number of Book DOIs16,124,016
Number of Conference DOIs6,043,494
Number of Components3,942,269
Number of Standards Titles393,758
Number of Standards DOIs304,933
Number of Databases28,183
Number of Database DOIs1,866,139
Number of Articles with References Deposited44,641,642
Number of Cited-By Links963,543,111
Number of DOIs with at least one cited-by link (UNDER CONSTRUCTION)0
Number of Journal Title Level DOIs 32,838
Number of Book Title Level DOIs 1,398,135
Number of ConfProc Title Level DOIs 21,049
Number of Dissertation Title Level DOIs 297,982
Number of Report Title Level DOIs 617,346
Number of Standards Title Level DOIs 304,368
Number of Database Title Level DOIs 25,445
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
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
Sep974,995676,754298,2415,638,285
Oct651,124478,222172,9023,212,316


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%
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%
Sep136,632,17157,991,33642%50%46%74%157,467,989150,756,19896%
Oct102,637,21449,560,27448%49%52%75%131,165,736126,009,11396%


Monthly ORCID Auto-Update Data

MonthAuthors Granting
Permission
Works Added to
Authors Records
Sep21,17771,816
Oct24,93886,024
Nov24,87585,735
Dec22,65079,642
Jan28,06794,440
Feb25,77190,182
Mar26,27195,016
Apr22,09692,117
May37,274117,372
Jun25,32098,685
Jul29,771114,941
Aug35,980117,758
Sep25,731103,458
Oct33,45294,894

ORCID Totals

StatisticTotal
Total orcid/article pairs5,187,134
Total unique orcids1,942,085
Total works pushed2,547,388
Authors granting843,574
Authors denying519,160
Authors not responding591,397