CENTER FOR CLINICAL OBSERVATIONAL INVESTIGATIONS

The National Library of Medicine (NLM) provides information about clinical datasets. Inclusion on an NLM Web page does not imply endorsement of, or agreement with, the contents by NLM or the National Institutes of Health. Learn more: NLM Web Policies (nih.gov).

SEER

SEER 12 - Basic Statistics

Data Date Span: 1992 - 2021

Patient Count: 5,483,054
Deceased Count: 2,980,574

Sex

Race

Ethnicity

Age at Diagnosis

Diagnosis Year

Follow Up Year

Last updated Apr 29, 2025