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Crossref Stats Page: Updated on Sep 20, 2020

MetaData Deposit
Total Records in Database117,933,393
Total Prefixes17,927
Number of Journals83,096
Number of Books1,486,337
Number of Conference Proceedings74,360
Number of Journal DOIs84,965,855
Number of Book DOIs17,891,029
Number of Conference DOIs6,529,801
Number of Components4,567,902
Number of Standards Titles407,318
Number of Standards DOIs318,231
Number of Databases31,005
Number of Database DOIs2,013,934
Number of Articles with References Deposited48,357,371
Number of Cited-By Links1,079,443,649
Number of DOIs with at least one cited-by link (UNDER CONSTRUCTION)0
Number of Journal Title Level DOIs 38,720
Number of Book Title Level DOIs 1,508,219
Number of ConfProc Title Level DOIs 47,636
Number of Dissertation Title Level DOIs 333,309
Number of Report Title Level DOIs 646,704
Number of Standards Title Level DOIs 317,666
Number of Database Title Level DOIs 29,459
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
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
Jul1,047,460834,077213,3833,126,547
Aug873,497757,483116,0143,594,187
Sep647,652527,539120,1133,265,111


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%
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%
Jul131,115,28853,047,04940%47%40%67%122,865,216113,416,05792%
Aug142,863,13358,173,66241%48%48%70%116,270,019107,984,50493%
Sep78,015,19835,186,34645%47%52%73%95,403,30990,304,75795%


Monthly ORCID Auto-Update Data

MonthAuthors Granting
Permission
Works Added to
Authors Records
Aug34,927117,758
Sep24,776103,458
Oct43,836170,643
Nov36,376132,502
Dec28,588124,782
Jan37,920143,637
Feb40,916143,222
Mar33,997162,405
Apr34,557154,632
May59,276197,824
Jun48,643199,486
Jul41,136197,785
Aug59,335211,201
Sep33,271134,291

ORCID Totals

StatisticTotal
Total orcid/article pairs8,305,756
Total unique orcids2,765,214
Total works pushed4,424,904
Authors granting1,302,465
Authors denying604,032
Authors not responding874,047