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Crossref Stats Page: Updated on Feb 19, 2020

MetaData Deposit
Total Records in Database112,181,020
Total Prefixes15,873
Number of Journals75,891
Number of Books1,415,600
Number of Conference Proceedings70,628
Number of Journal DOIs81,618,632
Number of Book DOIs16,778,459
Number of Conference DOIs6,241,065
Number of Components3,984,722
Number of Standards Titles399,195
Number of Standards DOIs310,289
Number of Databases29,661
Number of Database DOIs1,904,972
Number of Articles with References Deposited45,895,610
Number of Cited-By Links1,000,999,300
Number of DOIs with at least one cited-by link (UNDER CONSTRUCTION)0
Number of Journal Title Level DOIs 34,875
Number of Book Title Level DOIs 1,435,424
Number of ConfProc Title Level DOIs 45,023
Number of Dissertation Title Level DOIs 311,089
Number of Report Title Level DOIs 624,732
Number of Standards Title Level DOIs 309,724
Number of Database Title Level DOIs 27,321
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
(2017)7,384,8185,109,0752,275,74331,278,043
(2018)8,265,9186,240,5712,025,34733,609,916
(2019)9,158,2227,018,0372,140,18541,323,449
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
Oct1,099,091759,494339,5975,567,582
Nov1,054,714806,270248,4445,685,991
Dec905,525758,991146,5343,524,176
Jan955,456716,188239,2683,859,979
Feb571,228475,90995,3191,746,898


Monthly Query Data

MonthTotal MetaData
Queries
Total Matches%% by group
( Lib Pub Aflt )
Total DOI
Queries
Total Matches %
(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%
(2019)1,656,796,256783,711,58547%53%51%51%1,848,492,2611,716,370,97493%
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%
Oct149,184,40174,728,38450%50%52%74%183,667,799176,054,69696%
Nov135,248,39567,419,62150%50%47%74%123,589,016116,195,04794%
Dec121,433,69666,021,93254%45%54%71%104,799,73598,510,85794%
Jan110,538,14564,382,61958%49%56%69%112,727,280104,897,24493%
Feb60,808,69336,396,54260%50%56%75%71,306,28766,472,83893%


Monthly ORCID Auto-Update Data

MonthAuthors Granting
Permission
Works Added to
Authors Records
Jan27,94694,440
Feb25,66490,182
Mar26,15495,016
Apr22,00992,117
May36,973117,372
Jun25,04498,685
Jul29,356114,941
Aug35,270117,758
Sep25,081103,458
Oct44,449170,643
Nov37,030132,502
Dec29,277124,782
Jan39,239143,637
Feb21,19978,522

ORCID Totals

StatisticTotal
Total orcid/article pairs6,131,286
Total unique orcids2,205,658
Total works pushed3,102,581
Authors granting978,176
Authors denying550,148
Authors not responding690,345