Crossref Stats Page: Updated on Apr 18, 2024
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MetaData Deposit |
Total Records in Database | 157,655,903 |
Total Prefixes | 28,612 |
Number of Journals | 130,082 |
Number of Books | 2,001,554 |
Number of Conference Proceedings | 112,558 |
Number of Journal DOIs | 107,903,505 |
Number of Book DOIs | 25,720,927 |
Number of Conference DOIs | 8,447,972 |
Number of Components | 8,153,892 |
Number of Standards Titles | 476,652 |
Number of Standards DOIs | 386,117 |
Number of Databases | 65,292 |
Number of Database DOIs | 2,919,056 |
Number of Grant DOIs | 120,821 |
Number of Peer Review DOIs | 501,110 |
Number of Articles with References Deposited | 64,722,399 |
Number of Cited-By Links | 1,617,716,548 |
Number of DOIs with at least one cited-by link (UNDER CONSTRUCTION) | 0 |
Number of Journal Title Level DOIs | 62,684 |
Number of Book Title Level DOIs | 2,047,619 |
Number of ConfProc Title Level DOIs | 68,350 |
Number of Dissertation Title Level DOIs | 655,589 |
Number of Report Title Level DOIs | 786,185 |
Number of Standards Title Level DOIs | 385,552 |
Number of Database Title Level DOIs | 42,882 |
Number of Unique DOIs with FundRef data | 2,947,660 |
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Monthly Deposit Data
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Month | Total Records Added | Total Current Deposits | Total BackFile Deposits | Total Records Updated |
(2021) | 12,985,661 | 10,349,543 | 2,636,118 | 51,337,993 |
(2022) | 12,707,985 | 10,665,778 | 2,042,207 | 39,685,228 |
(2023) | 12,069,831 | 10,417,836 | 1,651,995 | 49,255,878 |
Mar | 914,709 | 789,401 | 125,308 | 3,685,823 |
Apr | 872,334 | 783,963 | 88,371 | 3,908,765 |
May | 824,958 | 709,939 | 115,019 | 2,718,716 |
Jun | 863,231 | 735,919 | 127,312 | 2,645,984 |
Jul | 2,568,590 | 2,459,669 | 108,921 | 2,940,213 |
Aug | 807,452 | 687,105 | 120,347 | 4,371,744 |
Sep | 806,346 | 697,832 | 108,514 | 5,147,024 |
Oct | 845,381 | 723,233 | 122,148 | 6,282,090 |
Nov | 1,017,097 | 749,838 | 267,259 | 5,852,405 |
Dec | 977,916 | 778,341 | 199,575 | 5,865,245 |
Jan | 855,565 | 732,416 | 123,149 | 4,588,360 |
Feb | 858,028 | 700,613 | 157,415 | 4,155,741 |
Mar | 927,587 | 783,243 | 144,344 | 4,664,457 |
Apr | 470,946 | 403,640 | 67,306 | 2,419,049 |
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Monthly Query Data
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Month | Total MetaData Queries | Total Matches | % | % by group ( Lib Pub Aflt ) | Total DOI Queries | Total Matches | % |
(2021) | 1,409,971,973 | 737,322,610 | 52% | 42% | 52% | 52% | 2260129170 | 2152236927 | 95% |
(2022) | 1,422,315,910 | 758,731,172 | 53% | 39% | 56% | 56% | 2676124969 | 2558015023 | 96% |
(2023) | 1,844,795,376 | 877,311,915 | 48% | 38% | 59% | 59% | 3364991180 | 3226053890 | 96% |
Mar | 131,417,052 | 77,557,877 | 59% | 39% | 55% | 65% | 318,927,002 | 305,559,330 | 96% |
Apr | 141,332,412 | 74,884,150 | 53% | 38% | 60% | 67% | 322,830,716 | 309,517,276 | 96% |
May | 172,246,737 | 67,096,141 | 39% | 36% | 57% | 69% | 365,866,086 | 350,859,601 | 96% |
Jun | 147,096,241 | 63,374,840 | 43% | 37% | 61% | 67% | 347,568,859 | 333,063,505 | 96% |
Jul | 152,817,189 | 66,348,250 | 43% | 36% | 58% | 71% | 253,878,141 | 242,458,371 | 96% |
Aug | 158,249,098 | 65,745,625 | 42% | 37% | 62% | 72% | 223,692,046 | 214,440,235 | 96% |
Sep | 172,309,740 | 76,170,259 | 44% | 37% | 62% | 72% | 247,883,766 | 238,263,306 | 96% |
Oct | 180,540,618 | 84,848,550 | 47% | 41% | 62% | 77% | 295,207,787 | 284,472,154 | 96% |
Nov | 169,980,079 | 78,807,093 | 46% | 38% | 64% | 71% | 246,066,942 | 236,287,829 | 96% |
Dec | 147,515,600 | 72,392,535 | 49% | 38% | 61% | 70% | 233,258,029 | 224,017,877 | 96% |
Jan | 168,754,754 | 78,465,160 | 46% | 36% | 61% | 75% | 241,389,586 | 231,059,666 | 96% |
Feb | 160,363,984 | 79,338,098 | 49% | 32% | 64% | 69% | 227,593,431 | 218,274,836 | 96% |
Mar | 149,416,756 | 73,435,952 | 49% | 41% | 60% | 71% | 240,941,450 | 230,092,050 | 95% |
Apr | 83,325,998 | 39,962,441 | 48% | 41% | 63% | 71% | 135,812,319 | 129,761,549 | 96% |
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Monthly ORCID Auto-Update Data
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Month | Authors Granting Permission | Works Added to Authors Records |
Mar | 73,067 | 428,444 |
Apr | 64,077 | 496,654 |
May | 73,949 | 452,850 |
Jun | 67,576 | 412,223 |
Jul | 70,374 | 414,434 |
Aug | 66,688 | 409,354 |
Sep | 38,186 | 369,411 |
Oct | 101,939 | 466,946 |
Nov | 71,535 | 417,733 |
Dec | 68,320 | 412,408 |
Jan | 69,239 | 428,154 |
Feb | 73,146 | 429,215 |
Mar | 71,872 | 465,150 |
Apr | 42,377 | 256,893 |
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ORCID Totals
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Statistic | Total |
Total orcid/article pairs | 27,686,884 |
Total unique orcids | 6,631,354 |
Total works pushed | 18,730,541 |
Authors granting | 3,993,124 |
Authors denying | 6,906 |
Authors not responding | 2,649,744 |
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