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MEDLINE PubMed Production Statistics

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  FY2021 FY2020 FY2019 FY2018 FY2017 FY2016
MEDLINE Citations Indexed (Annual) 1,291,807 952,919 956,390 904,636 813,598 869,666
MEDLINE Citations Cumulative Total 28,444,654 27,149,277 26,196,358 25,239,968 24,335,332 23,531,948
MEDLINE Journal Titles 5,282 5,274 5,243 5,251 5,617 5,623
PubMed Citations (Annual) 1,733,089 1,514,199 1,366,447 1,329,148 1,150,125 1,165,957
PubMed Citations Cumulative Total 33,136,289 31,563,992 30,178,674 28,934,389 27,605,241 26,456,014
PubMed Searches 2.57 Billion 3.3 Billion 3.1 Billion 3.3 Billion 3.3 Billion 3.1 Billion
Web/Interactive 1.186 Billion 1.076 Billion 896 Million 831 Million 846 Million 853 Million
Script/E-Utilities 1.391 Billion 2.2 Billion 2.2 Billion 2.5 Billion 2.5 Billion 2.2 Billion

For previous years, see the MEDLINE Key Indicators


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Last Reviewed: May 19, 2022