PubMed total records by publication year

Yearly citation totals from each year of the MEDLINE/PubMed Baseline referencing citations back to year 1781. These totals may increase over time for a particular year as new citations are added. For example, 25 citations were listed for the year 1800 in the 2018 MEDLINE/PubMed Baseline, while the 2019 Baseline includes 387 citations for that year.

Data and Resources

Field Value
accessLevel public
bureauCode {009:25}
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_@id https://healthdata.gov/data.json
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
identifier https://datadiscovery.nlm.nih.gov/api/views/eds5-ig9r
issued 2022-02-10
landingPage https://datadiscovery.nlm.nih.gov/d/eds5-ig9r
license https://www.usa.gov/government-works
modified 2025-06-18
programCode {009:041}
publisher National Library of Medicine
resource-type Dataset
source_datajson_identifier true
source_hash 666edc6b39e06610b7e5ab713faf0ec3f2956b18dc61fa1042d1b29a7acbd663
source_schema_version 1.1
theme {"Information Management"}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • AmeriGEO
  • AmeriGEOSS
  • CKAN
  • GEO
  • GEOSS
  • National
  • North America
  • United States
  • pubmed
isopen False
license_id other-license-specified
license_title other-license-specified
maintainer National Library of Medicine
maintainer_email custserv@nlm.nih.gov
metadata_created 2025-09-23T17:28:35.105479
metadata_modified 2025-09-23T17:28:35.105484
notes Yearly citation totals from each year of the MEDLINE/PubMed Baseline referencing citations back to year 1781. These totals may increase over time for a particular year as new citations are added. For example, 25 citations were listed for the year 1800 in the 2018 MEDLINE/PubMed Baseline, while the 2019 Baseline includes 387 citations for that year.
num_resources 4
num_tags 9
title PubMed total records by publication year