AHEAD OF PRINT

The year ahead, reported from the odds

Printed Friday, 11 September 2026
Edition of Saturday, 11 September 2027

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Politics

Social Democrats win 2026 election, Andersson set to become Prime Minister

Social Democrats won the election and Magdalena Andersson will become Prime Minister, while Sweden Democrats placed second.

35% certain
lead market 35%next 32%1 venuesettles Sun 13 Sept15 markets behind this

The Swedish Social Democratic Party emerged as the winner of the 2026 Parliamentary election. Magdalena Andersson was designated to become Prime Minister following the result. The Sweden Democrats finished in second place while the Moderate Party took third.

The Sweden Democrats received between 18 and 20 percent of the vote, surpassing the Moderate Party in the popular count. The Moderates placed third despite a lower vote share. The Social Democrats did not achieve a 31 percent threshold, indicating a vote share below that level. Overall, the distribution placed the Social Democrats ahead of both opposition blocs.

The Christian Democrats secured enough votes to retain their seats in the Riksdag. Smaller parties continued to hold modest representation, though the Örebropartiet failed to win any seats. The parliament therefore contains a mixture of established and minor parties.

The election result positioned the Sweden Democrats as the largest opposition force, ahead of the Moderates. Their 18-20 percent share placed them solidly behind the Social Democrats but ahead of the Centre-right bloc. This ranking determines the composition of the opposition benches.

Analysis

The Social Democratic plurality, achieved with less than 31% of the vote, leaves the party short of a majority in the 349-seat Riksdag. To form a government, Andersson Will need to secure support from other parties, either through a formal coalition or a confidence-and-supply arrangement. The lack of a clear majority increases the importance of post-election negotiations.

The Sweden Democrats' second-place finish, with an 18-20% vote share, places them as the largest opposition block. Their position gives them bargaining power, but traditional Centre-Left parties have historically ruled them out of governing coalitions. Consequently, their influence will likely be exercised through Parliamentary opposition rather than cabinet participation.

The Christian Democrats' continued presence in the Riksdag preserves a Centre-right partner that could be approached by either bloc. Their seats, together with those of the Moderates, may form a coalition alternative, though such a coalition would still fall short of a majority without additional partners. Smaller parties, including those that failed to win seats, remain marginal in the balance of power.

The fragmented composition suggests that policy making will depend on issue-by-issue alliances. Andersson's government may have to negotiate with the Sweden Democrats or the Centre-right opposition to pass legislation, creating potential instability. The overall uncertainty revolves around which combinations of parties will be able to command a working majority.

What this was built from

Each claim above traces to a market below, at the price it was trading when this edition went to press.

Next Prime Minister of Sweden: Magdalena Andersson, 82% settles Sunday, 13 September 2026 · polymarket · see the market
Sweden Parliamentary Election Winner: Swedish Social Democratic Party (S), 99% settles Sunday, 13 September 2026 · polymarket · see the market
Liberals still in Riksdag after next election?: Yes, 56% settles Saturday, 12 September 2026 · manifold · see the market
Christian Democrats still in Riksdag after next election?: Yes, 95% settles Saturday, 12 September 2026 · manifold · see the market
Sweden Parliamentary Election: Liberals Win Seats?: Yes, 72% settles Sunday, 13 September 2026 · polymarket · see the market
Sweden Parliamentary Election: 2nd Place: Sweden Democrats (SD), 79% settles Sunday, 13 September 2026 · polymarket · see the market
Sweden Parliamentary Election: SD Vote Share?: 18-20%, 73% settles Sunday, 13 September 2026 · polymarket · see the market
Sweden Parliamentary Election: 3rd Place: Moderate Party (M), 80% settles Sunday, 13 September 2026 · polymarket · see the market
Sweden Parliamentary Election: Örebropartiet Win Seats?: No, 82% settles Sunday, 13 September 2026 · polymarket · see the market
Sweden Parliamentary Election: More Votes to SD or M?: SD, 80% settles Sunday, 13 September 2026 · polymarket · see the market
Sweden Parliamentary Election: 4th Place: Centre Party (C), 51% settles Sunday, 13 September 2026 · polymarket · see the market
Sweden Parliamentary Election: 5th Place: Centre Party (C), 35% settles Sunday, 13 September 2026 · polymarket · see the market
Sweden Parliamentary Election: 6th Place: Green Party (MP), 61% settles Sunday, 13 September 2026 · polymarket · see the market
Sweden Parliamentary Election: Vote Share Margin of Victory: S 7-10%, 65% settles Sunday, 13 September 2026 · polymarket · see the market
🇸🇪 Will Sweden’s Social Democrats win at least 31% of the vote in the September 13, 2026 general election?: No, 79% settles Sunday, 13 September 2026 · manifold · see the market
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