# Swedish Social Democratic party wins most seats

*Politics. 50% certain. Monday, 21 September 2026*

> Speculative fiction assembled from prediction-market prices. This has not happened.

**Sweden Democrats come second**

The Swedish Social Democratic Party won the most seats in the Swedish Parliamentary election, with the Sweden Democrats coming in second.

The Christian Democrats Will remain in the Riksdag after the election.

The Moderate Party came in third.

The next Prime Minister of Sweden is likely to be Magdalena Andersson.

The Sweden Democrats may not have increased their share in parliament, despite coming in second.

## Analysis

The outcome of the election means that the Swedish Social Democratic Party Will have a significant influence on the country's politics.

The Sweden Democrats' second Place finish could lead to them having more power in the Riksdag, depending on the final seat count.

The Christian Democrats' continued presence in the Riksdag ensures that they Will still have a voice in Swedish politics.

The result of the election may lead to changes in the country's government, with Magdalena Andersson potentially becoming the next Prime Minister, and the Sweden Democrats potentially playing a larger role.

### Background consulted for the analysis

- [2022 Swedish general election - Wikipedia](https://en.wikipedia.org/wiki/2022_Swedish_general_election)
- [2026 Swedish general election - Wikipedia](https://en.wikipedia.org/wiki/2026_Swedish_general_election)
- [Sweden Election Polls 2026 | Voting Intentions & PolitPro Trend](https://politpro.eu/en/sweden)
- [Demoskop: poll for the Swedish parliamentary election, August 24, 2026](https://politpro.eu/en/sweden/opinion-polls/demoskop-2026-08-24/parliamentary-election)
- [Elections in Sweden - Wikipedia](https://en.wikipedia.org/wiki/Elections_in_Sweden)

## What this was built from

- **Christian Democrats still in Riksdag after next election?**: Yes, 88%; settles Saturday, 12 September 2026 (manifold). [Market](https://manifold.markets/Pazzaz/christian-democrats-still-in-riksda)
- **Will the Sweden Democrats increase their share in parliament in the Swedish 2026 general election?**: did not happen, 63%; settles Monday, 21 September 2026 (manifold). [Market](https://manifold.markets/HenriThunberg/will-the-sweden-democrats-increase)
- **Next Prime Minister of Sweden**: Magdalena Andersson, 76%; settles Sunday, 13 September 2026 (polymarket). [Market](https://polymarket.com/event/next-prime-minister-of-sweden)
- **Sweden Parliamentary Election Winner**: Swedish Social Democratic Party (S), 98%; settles Sunday, 13 September 2026 (polymarket). [Market](https://polymarket.com/event/sweden-parliamentary-election-winner)
- **🇸🇪 Will Sweden’s Social Democrats win at least 31% of the vote in the September 13, 2026 general election?**: did not happen, 50%; settles Sunday, 13 September 2026 (manifold). [Market](https://manifold.markets/MAKER/-will-swedens-social-democrats-win)
- **Sweden Parliamentary Election: SD Vote Share?**: 20%+, 50%; settles Sunday, 13 September 2026 (polymarket). [Market](https://polymarket.com/event/sweden-parliamentary-election-sd-vote-share-20260812172636420)
- **Sweden Parliamentary Election: 3rd Place**: Moderate Party (M), 71%; settles Sunday, 13 September 2026 (polymarket). [Market](https://polymarket.com/event/sweden-parliamentary-election-3rd-place)
- **Sweden Parliamentary Election: 2nd Place**: Sweden Democrats (SD), 77%; settles Sunday, 13 September 2026 (polymarket). [Market](https://polymarket.com/event/sweden-parliamentary-election-2nd-place)