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Crossref Stats Page: Updated on Sep 20, 2020
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| MetaData Deposit |
| Total Records in Database | 117,933,393 |
| Total Prefixes | 17,927 |
| Number of Journals | 83,096 |
| Number of Books | 1,486,337 |
| Number of Conference Proceedings | 74,360 |
| Number of Journal DOIs | 84,965,855 |
| Number of Book DOIs | 17,891,029 |
| Number of Conference DOIs | 6,529,801 |
| Number of Components | 4,567,902 |
| Number of Standards Titles | 407,318 |
| Number of Standards DOIs | 318,231 |
| Number of Databases | 31,005 |
| Number of Database DOIs | 2,013,934 |
| Number of Articles with References Deposited | 48,357,371 |
| Number of Cited-By Links | 1,079,443,649 |
| Number of DOIs with at least one cited-by link (UNDER CONSTRUCTION) | 0 |
| Number of Journal Title Level DOIs | 38,720 |
| Number of Book Title Level DOIs | 1,508,219 |
| Number of ConfProc Title Level DOIs | 47,636 |
| Number of Dissertation Title Level DOIs | 333,309 |
| Number of Report Title Level DOIs | 646,704 |
| Number of Standards Title Level DOIs | 317,666 |
| Number of Database Title Level DOIs | 29,459 |
| 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 |
| (2017) | 9,698,151 | 6,547,780 | 3,150,371 | 38,389,017 |
| (2018) | 9,874,117 | 7,617,991 | 2,256,126 | 39,854,067 |
| (2019) | 11,118,461 | 8,583,298 | 2,535,163 | 50,533,616 |
| Aug | 923,789 | 722,202 | 201,587 | 4,967,915 |
| Sep | 974,995 | 676,754 | 298,241 | 5,638,285 |
| Oct | 1,099,091 | 759,494 | 339,597 | 5,567,582 |
| Nov | 1,054,714 | 806,270 | 248,444 | 5,685,991 |
| Dec | 905,525 | 758,991 | 146,534 | 3,524,176 |
| Jan | 955,456 | 716,188 | 239,268 | 3,859,979 |
| Feb | 1,047,147 | 798,319 | 248,828 | 3,090,829 |
| Mar | 923,508 | 756,112 | 167,396 | 3,433,258 |
| Apr | 1,266,151 | 1,056,746 | 209,405 | 3,795,720 |
| May | 887,638 | 776,319 | 111,319 | 3,292,255 |
| Jun | 927,909 | 803,147 | 124,762 | 3,299,087 |
| Jul | 1,047,460 | 834,077 | 213,383 | 3,126,547 |
| Aug | 873,497 | 757,483 | 116,014 | 3,594,187 |
| Sep | 647,652 | 527,539 | 120,113 | 3,265,111 |
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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 | % |
| (2017) | 2,104,222,315 | 726,991,604 | 35% | 51% | 40% | 40% | 1,522,141,093 | 1,397,871,168 | 92% |
| (2018) | 2194087319 | 754,970,923 | 34% | 51% | 43% | 43% | 1,823,393,379 | 1,738,885,218 | 95% |
| (2019) | 1,656,796,256 | 783,711,585 | 47% | 53% | 51% | 51% | 1,848,492,261 | 1,716,370,974 | 93% |
| Aug | 141,232,762 | 59,310,359 | 42% | 49% | 53% | 69% | 148,616,500 | 141,484,675 | 95% |
| Sep | 136,632,171 | 57,991,336 | 42% | 50% | 46% | 74% | 157,467,989 | 150,756,198 | 96% |
| Oct | 149,184,401 | 74,728,384 | 50% | 50% | 52% | 74% | 183,667,799 | 176,054,696 | 96% |
| Nov | 135,248,395 | 67,419,621 | 50% | 50% | 47% | 74% | 123,589,016 | 116,195,047 | 94% |
| Dec | 121,433,696 | 66,021,932 | 54% | 45% | 54% | 71% | 104,799,735 | 98,510,857 | 94% |
| Jan | 110,538,145 | 64,382,619 | 58% | 49% | 56% | 69% | 112,727,280 | 104,897,244 | 93% |
| Feb | 98,693,816 | 61,547,329 | 62% | 50% | 59% | 74% | 125,112,383 | 117,317,158 | 94% |
| Mar | 125,939,236 | 61,708,473 | 49% | 52% | 49% | 75% | 141,311,118 | 132,962,148 | 94% |
| Apr | 163,869,672 | 60,700,027 | 37% | 53% | 47% | 76% | 148,994,557 | 137,748,842 | 92% |
| May | 143,139,284 | 63,945,828 | 45% | 51% | 44% | 78% | 141,096,791 | 123,061,483 | 87% |
| Jun | 147,525,806 | 65,279,795 | 44% | 50% | 43% | 74% | 124,779,394 | 115,747,952 | 93% |
| Jul | 131,115,288 | 53,047,049 | 40% | 47% | 40% | 67% | 122,865,216 | 113,416,057 | 92% |
| Aug | 142,863,133 | 58,173,662 | 41% | 48% | 48% | 70% | 116,270,019 | 107,984,504 | 93% |
| Sep | 78,015,198 | 35,186,346 | 45% | 47% | 52% | 73% | 95,403,309 | 90,304,757 | 95% |
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Monthly ORCID Auto-Update Data
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| Month | Authors Granting
Permission | Works Added to
Authors Records |
| Aug | 34,927 | 117,758 |
| Sep | 24,776 | 103,458 |
| Oct | 43,836 | 170,643 |
| Nov | 36,376 | 132,502 |
| Dec | 28,588 | 124,782 |
| Jan | 37,920 | 143,637 |
| Feb | 40,916 | 143,222 |
| Mar | 33,997 | 162,405 |
| Apr | 34,557 | 154,632 |
| May | 59,276 | 197,824 |
| Jun | 48,643 | 199,486 |
| Jul | 41,136 | 197,785 |
| Aug | 59,335 | 211,201 |
| Sep | 33,271 | 134,291 |
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ORCID Totals
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| Statistic | Total |
| Total orcid/article pairs | 8,305,756 |
| Total unique orcids | 2,765,214 |
| Total works pushed | 4,424,904 |
| Authors granting | 1,302,465 |
| Authors denying | 604,032 |
| Authors not responding | 874,047 |
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