Source attached
Material records name their publisher and verification date.
Explore how America votes, identifies, and governs through source-linked charts. Every graph opens into a permanent page with definitions, caveats, CSV, and JSON.
30permanent chart stories
9named primary publishers
1917–2025historical coverage
CSV + JSONunder every graph
These are real views of named public and licensed datasets—not decorative estimates. Open any graph for the complete series, source notes, and downloadable rows.
Browse all 30 chart stories, including generational political identity, ideology, congressional margins, and representation by party.
The visual stories, permanent pages, public API, and research downloads follow the same source and missing-value rules.
Material records name their publisher and verification date.
Every view states its geography, dates, and known limits.
Unknown values remain unknown instead of becoming false zeroes.
Web pages and API responses share permanent record IDs.
Inspect health, coverage, adapters, downloads, and methodology without guessing what is live.