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Crossref Stats Page: Updated on Aug 8, 2020

MetaData Deposit
Total Records in Database116,907,218
Total Prefixes17,566
Number of Journals81,839
Number of Books1,474,354
Number of Conference Proceedings73,728
Number of Journal DOIs84,332,144
Number of Book DOIs17,689,804
Number of Conference DOIs6,452,790
Number of Components4,509,312
Number of Standards Titles405,944
Number of Standards DOIs316,900
Number of Databases30,840
Number of Database DOIs2,006,532
Number of Articles with References Deposited47,802,458
Number of Cited-By Links1,063,788,985
Number of DOIs with at least one cited-by link (UNDER CONSTRUCTION)0
Number of Journal Title Level DOIs 38,097
Number of Book Title Level DOIs 1,495,403
Number of ConfProc Title Level DOIs 47,304
Number of Dissertation Title Level DOIs 326,451
Number of Report Title Level DOIs 642,380
Number of Standards Title Level DOIs 316,335
Number of Database Title Level DOIs 29,132
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
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
Jul1,047,460834,077213,3833,126,547
Aug227,714189,05238,662612,641


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%
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%
Jul131,115,28853,047,04940%47%40%67%122,865,216113,416,05792%
Aug28,962,36112,313,82543%48%40%70%29,288,22527,351,56393%


Monthly ORCID Auto-Update Data

MonthAuthors Granting
Permission
Works Added to
Authors Records
Jul29,150114,941
Aug35,001117,758
Sep24,836103,458
Oct43,915170,643
Nov36,437132,502
Dec28,640124,782
Jan38,016143,637
Feb41,045143,222
Mar34,179162,405
Apr34,782154,632
May59,885197,824
Jun49,280199,486
Jul41,950197,785
Aug3,65138,631

ORCID Totals

StatisticTotal
Total orcid/article pairs7,858,718
Total unique orcids2,648,431
Total works pushed4,118,044
Authors granting1,216,860
Authors denying593,790
Authors not responding852,794