Every election, on one map.
21,307 Elections on Poliwave
Change a party's vote share and see the seats. The same simulator runs the next election, past elections, and maps you draw yourself.
Scroll to zoom · drag to pan Grey: projection in preparation
- 21,307 Elections on Poliwave
- 205 Jurisdictions with a working simulator
- 624,043 Constituencies mapped
- 1789 First election in the archive
205 jurisdictions. One map.
Pick a country, change the vote, and watch the seats move. The archive starts with the first US presidential election in 1789.
Open the world simulatorCurrent projections
All 205 jurisdictionsSeats are the projected total for the party currently ahead, out of that jurisdiction's full chamber, which differs by system. Hover any bar for the rest of the split. Every one of these jurisdictions can be re-run yourself in the simulator, along with historical elections going back to 1789.
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About Poliwave
Poliwave takes today's polls and turns them into a seat projection for every constituency, using past results and a swing model. It runs the election thousands of times to show the range of likely outcomes, not just a single number.
Canada is the most detailed jurisdiction: every federal election since 1867, all ten provinces, down to each riding. In 2025 Poliwave produced the most accurate seat count of any Canadian federal projection. Built and run by one person, free and without advertising.
Projections are statistical estimates based on publicly available polling data.