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Crossref Stats Page: Updated on Nov 14, 2019

MetaData Deposit
Total Records in Database109,733,092
Total Prefixes15,100
Number of Journals72,745
Number of Books1,386,745
Number of Conference Proceedings68,763
Number of Journal DOIs80,060,208
Number of Book DOIs16,268,759
Number of Conference DOIs6,074,392
Number of Components3,900,867
Number of Standards Titles394,515
Number of Standards DOIs305,665
Number of Databases28,319
Number of Database DOIs1,876,203
Number of Articles with References Deposited44,908,510
Number of Cited-By Links971,844,035
Number of DOIs with at least one cited-by link (UNDER CONSTRUCTION)0
Number of Journal Title Level DOIs 33,230
Number of Book Title Level DOIs 1,406,678
Number of ConfProc Title Level DOIs 21,272
Number of Dissertation Title Level DOIs 301,651
Number of Report Title Level DOIs 619,009
Number of Standards Title Level DOIs 305,100
Number of Database Title Level DOIs 25,701
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
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
Oct1,099,091759,494339,5975,567,582
Nov349,337306,81042,5272,933,641


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%
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%
Oct149,184,40174,728,38450%50%52%74%183,667,799176,054,69696%
Nov57,468,77131,254,32854%50%45%74%53,052,96149,916,15994%


Monthly ORCID Auto-Update Data

MonthAuthors Granting
Permission
Works Added to
Authors Records
Oct24,92586,024
Nov24,85585,735
Dec22,62779,642
Jan28,03194,440
Feb25,75090,182
Mar26,24095,016
Apr22,07992,117
May37,157117,372
Jun25,23998,685
Jul29,622114,941
Aug35,765117,758
Sep25,498103,458
Oct45,401170,643
Nov17,29460,945

ORCID Totals

StatisticTotal
Total orcid/article pairs5,404,707
Total unique orcids1,991,644
Total works pushed2,684,082
Authors granting871,816
Authors denying525,530
Authors not responding606,653