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Crossref Stats Page: Updated on Nov 25, 2020

MetaData Deposit
Total Records in Database119,777,430
Total Prefixes18,549
Number of Journals85,095
Number of Books1,513,481
Number of Conference Proceedings75,518
Number of Journal DOIs86,083,953
Number of Book DOIs18,336,888
Number of Conference DOIs6,619,603
Number of Components4,657,637
Number of Standards Titles409,860
Number of Standards DOIs320,730
Number of Databases31,199
Number of Database DOIs2,031,164
Number of Articles with References Deposited49,062,981
Number of Cited-By Links1,101,408,965
Number of DOIs with at least one cited-by link (UNDER CONSTRUCTION)0
Number of Journal Title Level DOIs 39,672
Number of Book Title Level DOIs 1,536,023
Number of ConfProc Title Level DOIs 48,445
Number of Dissertation Title Level DOIs 342,175
Number of Report Title Level DOIs 652,952
Number of Standards Title Level DOIs 320,165
Number of Database Title Level DOIs 29,993
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
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
Sep1,103,079886,336216,7434,817,711
Oct997,236855,383141,8534,543,142
Nov819,623667,044152,5792,728,255


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%
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%
Sep123,549,99153,716,33243%48%53%71%140,308,115132,193,10594%
Oct119,202,20356,468,55047%46%54%66%145,576,877135,433,72593%
Nov92,000,95744,442,81748%43%51%64%122,781,715114,682,88893%


Monthly ORCID Auto-Update Data

MonthAuthors Granting
Permission
Works Added to
Authors Records
Oct43,781170,643
Nov36,302132,502
Dec28,516124,782
Jan37,824143,637
Feb40,793143,222
Mar33,875162,405
Apr34,406154,632
May58,814197,824
Jun48,179199,486
Jul40,566197,785
Aug58,365211,201
Sep52,924217,345
Oct46,662213,521
Nov42,609173,277

ORCID Totals

StatisticTotal
Total orcid/article pairs9,064,818
Total unique orcids2,954,905
Total works pushed4,894,758
Authors granting1,407,979
Authors denying619,591
Authors not responding943,172