Observed arrival · 2026-10-31
A Map of American Party Realignment, Election by Election
An interactive atlas tracks presidential elections, state-level results, party evolution, and historical sources from 1789 through 2024.
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- The guide distinguishes platforms as official party positions from election returns as records of electoral outcomes.
Field notes
The atlas separates election outcomes from other dimensions of realignment, including party positions, voting coalitions, and political participation. Its source register can be filtered by source type and exported; the page explicitly cautions that platforms document official positions while returns document electoral outcomes. Historical image credits and rights notes are surfaced alongside the map.
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