Back to the main Crossref website
status

Crossref Stats Page: Updated on Oct 19, 2020

MetaData Deposit
Total Records in Database118,730,697
Total Prefixes18,185
Number of Journals84,109
Number of Books1,496,463
Number of Conference Proceedings74,821
Number of Journal DOIs85,487,184
Number of Book DOIs18,048,551
Number of Conference DOIs6,563,233
Number of Components4,611,970
Number of Standards Titles408,345
Number of Standards DOIs319,238
Number of Databases31,097
Number of Database DOIs2,019,146
Number of Articles with References Deposited48,654,942
Number of Cited-By Links1,088,591,689
Number of DOIs with at least one cited-by link (UNDER CONSTRUCTION)0
Number of Journal Title Level DOIs 39,214
Number of Book Title Level DOIs 1,519,289
Number of ConfProc Title Level DOIs 47,954
Number of Dissertation Title Level DOIs 335,996
Number of Report Title Level DOIs 649,637
Number of Standards Title Level DOIs 318,673
Number of Database Title Level DOIs 29,707
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
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
Sep1,103,079886,336216,7434,817,711
Oct542,033465,80576,2282,431,271


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%
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%
Sep123,549,99153,716,33243%48%53%71%140,308,115132,193,10594%
Oct66,921,24031,572,29447%48%53%68%72,650,50167,282,29793%


Monthly ORCID Auto-Update Data

MonthAuthors Granting
Permission
Works Added to
Authors Records
Sep24,758103,458
Oct43,793170,643
Nov36,340132,502
Dec28,555124,782
Jan37,875143,637
Feb40,859143,222
Mar33,942162,405
Apr34,465154,632
May59,035197,824
Jun48,403199,486
Jul40,829197,785
Aug58,870211,201
Sep53,465217,345
Oct25,518119,691

ORCID Totals

StatisticTotal
Total orcid/article pairs8,639,854
Total unique orcids2,847,503
Total works pushed4,627,649
Authors granting1,346,385
Authors denying611,061
Authors not responding905,405