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Crossref Stats Page: Updated on Sep 29, 2022
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| MetaData Deposit |
| Total Records in Database | 139,184,006 |
| Total Prefixes | 24,451 |
| Number of Journals | 107,636 |
| Number of Books | 1,761,905 |
| Number of Conference Proceedings | 93,573 |
| Number of Journal DOIs | 97,756,867 |
| Number of Book DOIs | 22,348,451 |
| Number of Conference DOIs | 7,475,031 |
| Number of Components | 5,816,890 |
| Number of Standards Titles | 448,935 |
| Number of Standards DOIs | 359,483 |
| Number of Databases | 61,736 |
| Number of Database DOIs | 2,689,863 |
| Number of Articles with References Deposited | 57,573,592 |
| Number of Cited-By Links | 1,379,210,664 |
| Number of DOIs with at least one cited-by link (UNDER CONSTRUCTION) | 0 |
| Number of Journal Title Level DOIs | 49,755 |
| Number of Book Title Level DOIs | 1,791,079 |
| Number of ConfProc Title Level DOIs | 58,757 |
| Number of Dissertation Title Level DOIs | 552,273 |
| Number of Report Title Level DOIs | 727,841 |
| Number of Standards Title Level DOIs | 358,918 |
| Number of Database Title Level DOIs | 44,937 |
| 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 |
| (2019) | 11,118,461 | 8,583,298 | 2,535,163 | 50,533,616 |
| (2020) | 12,462,544 | 9,986,005 | 2,476,539 | 45,287,268 |
| (2021) | 12,985,661 | 10,349,543 | 2,636,118 | 51,337,993 |
| Aug | 959,029 | 783,767 | 175,262 | 5,030,489 |
| Sep | 998,798 | 835,853 | 162,945 | 3,324,506 |
| Oct | 1,163,782 | 865,453 | 298,329 | 3,467,668 |
| Nov | 1,237,141 | 1,001,453 | 235,688 | 3,649,436 |
| Dec | 1,023,880 | 899,676 | 124,204 | 3,302,806 |
| Jan | 1,130,237 | 867,853 | 262,384 | 3,488,628 |
| Feb | 1,007,791 | 795,827 | 211,964 | 3,300,538 |
| Mar | 1,097,476 | 905,802 | 191,674 | 4,290,807 |
| Apr | 930,495 | 801,651 | 128,844 | 3,582,107 |
| May | 977,632 | 855,939 | 121,693 | 3,230,096 |
| Jun | 1,081,628 | 910,095 | 171,533 | 3,963,346 |
| Jul | 994,155 | 875,020 | 119,135 | 2,949,432 |
| Aug | 982,849 | 857,127 | 125,722 | 2,562,714 |
| Sep | 976,118 | 823,162 | 152,956 | 2,288,199 |
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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 | % |
| (2019) | 1,656,796,256 | 783,711,585 | 47% | 53% | 51% | 51% | 1,848,492,261 | 1,716,370,974 | 93% |
| (2020) | 1,523,069,914 | 710,874,304 | 47% | 48% | 49% | 49% | 1,590,084,045 | 1,472,849,576 | 93% |
| (2021) | 1,409,971,973 | 737,322,610 | 52% | 42% | 52% | 52% | 2260129170 | 2152236927 | 95% |
| Aug | 124,399,062 | 66,887,681 | 54% | 43% | 51% | 72% | 160,011,733 | 151,249,448 | 95% |
| Sep | 110,966,881 | 58,299,468 | 53% | 43% | 59% | 71% | 266,494,876 | 257,252,947 | 97% |
| Oct | 110,316,912 | 55,204,673 | 50% | 41% | 57% | 72% | 234,254,710 | 224,459,978 | 96% |
| Nov | 108,285,737 | 58,408,114 | 54% | 41% | 57% | 74% | 210,268,039 | 199,826,267 | 95% |
| Dec | 108,015,730 | 60,129,104 | 56% | 42% | 57% | 71% | 226,678,229 | 216,017,050 | 95% |
| Jan | 108,879,608 | 61,714,030 | 57% | 43% | 57% | 74% | 219,305,747 | 209,041,492 | 95% |
| Feb | 106,289,642 | 59,283,799 | 56% | 42% | 59% | 73% | 230,170,662 | 220,917,172 | 96% |
| Mar | 109,234,355 | 58,028,532 | 53% | 41% | 62% | 68% | 253,028,591 | 243,613,485 | 96% |
| Apr | 97,773,249 | 50,608,124 | 52% | 41% | 62% | 68% | 245,241,400 | 236,291,049 | 96% |
| May | 117,952,243 | 60,234,765 | 51% | 38% | 55% | 68% | 215,439,558 | 205,650,515 | 95% |
| Jun | 111,521,842 | 66,859,316 | 60% | 33% | 55% | 67% | 201,642,204 | 192,095,920 | 95% |
| Jul | 133,565,966 | 67,317,495 | 50% | 30% | 48% | 68% | 172,292,323 | 164,322,809 | 95% |
| Aug | 120,353,702 | 59,223,508 | 49% | 33% | 49% | 69% | 191,792,692 | 183,463,538 | 96% |
| Sep | 119,576,980 | 59,158,606 | 49% | 37% | 54% | 70% | 197,378,681 | 188,255,038 | 95% |
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Monthly ORCID Auto-Update Data
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| Month | Authors Granting
Permission | Works Added to
Authors Records |
| Aug | 69,944 | 280,966 |
| Sep | 71,270 | 294,529 |
| Oct | 66,262 | 292,127 |
| Nov | 66,705 | 306,087 |
| Dec | 53,854 | 284,648 |
| Jan | 53,638 | 256,790 |
| Feb | 59,560 | 300,793 |
| Mar | 54,299 | 314,306 |
| Apr | 55,620 | 272,069 |
| May | 56,047 | 293,573 |
| Jun | 49,165 | 292,205 |
| Jul | 59,357 | 296,970 |
| Aug | 56,284 | 304,011 |
| Sep | 56,081 | 289,779 |
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ORCID Totals
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| Statistic | Total |
| Total orcid/article pairs | 17,822,898 |
| Total unique orcids | 4,877,113 |
| Total works pushed | 11,066,681 |
| Authors granting | 2,714,430 |
| Authors denying | 491,855 |
| Authors not responding | 1,688,156 |
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