Data & Documentation
Find national statistics, state-level data and technical documentation including changes to our measures, guidelines for comparing data across states, information about data years and sources and more.
Check out County Health Rankings & Roadmaps on GitHub to access select datasets and measure calculation codes.
National data & documentation
2025 Annual Data Release
| SUPPLEMENTAL DATA RELEASE (November 2025) | |
|---|---|
| CHR CSV Analytic Data - Supplemental Release (November 2025) | CHR Analytic Data Documentation - Supplemental Release (November 2025) |