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Crossref Stats Page: Updated on Jul 11, 2020

MetaData Deposit
Total Records in Database116,146,720
Total Prefixes17,289
Number of Journals80,875
Number of Books1,462,858
Number of Conference Proceedings73,348
Number of Journal DOIs83,892,348
Number of Book DOIs17,516,520
Number of Conference DOIs6,421,931
Number of Components4,480,076
Number of Standards Titles404,900
Number of Standards DOIs315,874
Number of Databases30,704
Number of Database DOIs1,958,194
Number of Articles with References Deposited47,502,161
Number of Cited-By Links1,053,533,222
Number of DOIs with at least one cited-by link (UNDER CONSTRUCTION)0
Number of Journal Title Level DOIs 37,568
Number of Book Title Level DOIs 1,483,294
Number of ConfProc Title Level DOIs 47,010
Number of Dissertation Title Level DOIs 323,251
Number of Report Title Level DOIs 639,261
Number of Standards Title Level DOIs 315,309
Number of Database Title Level DOIs 28,923
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)9,698,1516,547,7803,150,37138,389,017
(2018)9,874,1177,617,9912,256,12639,854,067
(2019)11,118,4618,583,2982,535,16350,533,616
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
Feb1,047,147798,319248,8283,090,829
Mar923,508756,112167,3963,433,258
Apr1,266,1511,056,746209,4053,795,720
May887,638776,319111,3193,292,255
Jun927,909803,147124,7623,299,087
Jul397,715270,115127,600939,233


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%
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%
Feb98,693,81661,547,32962%50%59%74%125,112,383117,317,15894%
Mar125,939,23661,708,47349%52%49%75%141,311,118132,962,14894%
Apr163,869,67260,700,02737%53%47%76%148,994,557137,748,84292%
May143,139,28463,945,82845%51%44%78%141,096,791123,061,48387%
Jun147,525,80665,279,79544%50%43%74%124,779,394115,747,95293%
Jul43,464,18816,820,09639%46%36%67%37,637,14434,694,42392%


Monthly ORCID Auto-Update Data

MonthAuthors Granting
Permission
Works Added to
Authors Records
Jun24,90698,685
Jul29,177114,941
Aug35,022117,758
Sep24,853103,458
Oct43,960170,643
Nov36,476132,502
Dec28,680124,782
Jan38,099143,637
Feb41,167143,222
Mar34,312162,405
Apr34,948154,632
May60,238197,824
Jun49,796199,486
Jul4,28952,219

ORCID Totals

StatisticTotal
Total orcid/article pairs7,551,759
Total unique orcids2,568,600
Total works pushed3,933,846
Authors granting1,177,271
Authors denying586,472
Authors not responding819,461