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Summary Indexing Statistics: 1965-2005

Fiscal Year
(Oct. 1-
Sep. 30)
Number of Journals
Indexed in
Index Medicus
Number of Journals
in MEDLINE®
Number of Citations
Added to MEDLINE®
Total MEDLINE Citations
2005 4,279 4,928 606,000 13,476,222
2000 3,472 4,332 442,000 10,796,185
1995 3,147 3,823 392,354 8,665,427
1990 2,973 -- 391,172 6,769,918
1985 2,730 -- 307,333 5,029,234
1980 2,661 -- 266,730 3,543,128
1975 2,353 -- 220,800 2,208,945
1970 2,251 -- 210,000 1,098,015
1965 2,241 -- 151,635 --
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Last reviewed: 03 July 2008
Last updated: 29 January 2007
First published: 05 August 2003
Metadata| Permanence level: Permanence Not Guaranteed