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Crossref Stats Page: Updated on Nov 24, 2020

MetaData Deposit
Total Records in Database119,744,190
Total Prefixes18,533
Number of Journals85,057
Number of Books1,512,890
Number of Conference Proceedings75,470
Number of Journal DOIs86,063,508
Number of Book DOIs18,329,560
Number of Conference DOIs6,617,756
Number of Components4,655,666
Number of Standards Titles409,827
Number of Standards DOIs320,700
Number of Databases31,194
Number of Database DOIs2,031,066
Number of Articles with References Deposited49,047,830
Number of Cited-By Links1,100,982,116
Number of DOIs with at least one cited-by link (UNDER CONSTRUCTION)0
Number of Journal Title Level DOIs 39,653
Number of Book Title Level DOIs 1,535,470
Number of ConfProc Title Level DOIs 48,400
Number of Dissertation Title Level DOIs 341,787
Number of Report Title Level DOIs 652,907
Number of Standards Title Level DOIs 320,135
Number of Database Title Level DOIs 29,977
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
Nov781,975631,825150,1502,616,848


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%
Nov88,287,02542,273,86148%43%50%64%117,297,857109,559,45293%


Monthly ORCID Auto-Update Data

MonthAuthors Granting
Permission
Works Added to
Authors Records
Oct43,782170,643
Nov36,303132,502
Dec28,516124,782
Jan37,824143,637
Feb40,795143,222
Mar33,876162,405
Apr34,409154,632
May58,823197,824
Jun48,187199,486
Jul40,575197,785
Aug58,377211,201
Sep52,952217,345
Oct46,682213,521
Nov40,443163,662

ORCID Totals

StatisticTotal
Total orcid/article pairs9,049,147
Total unique orcids2,951,004
Total works pushed4,885,145
Authors granting1,405,907
Authors denying619,289
Authors not responding941,563