Evolution of US Political Parties (1789-2024)

Presidential Elections & Party Evolution:

🔴 Red Dots: Republican presidents

🔵 Blue Dots: Democratic presidents

🟢 Green Dots: Democratic-Republican presidents

🟡 Yellow Dots: Whig presidents

⚪ Gray Dots: Nonpartisan presidents (Washington)

Hover over any dot to see president name and year

Major Party Splits: Federalists vs Democratic-Republicans (1792) → Democrats/Whigs (1828-1834) → Republicans emerge (1854) → Modern two-party system