The 2025 Sønderborg Municipal election was held on November 18, 2025, to elect the 31 members to sit in the regional council for the Sønderborg Municipal council, in the period of 2026 to 2029. Erik Lauritzen from the Social Democrats, would secure re-election.
Background Following the 2021 election, Erik Lauritsen from Social Democrats became mayor for his third term. He ran for the mayoral position for a fourth term.
Electoral system For elections to Danish municipalities, a number varying from 9 to 31 are chosen to be elected to the municipal council. The seats are then allocated using the D'Hondt method and a closed list proportional representation. Sønderborg Municipality had 31 seats in 2025.
Electoral alliances
Electoral Alliance 1 Party Political alignmentCConservativesCentre-rightILiberal AllianceCentre-right to Right-wingODanish People's Party Right-wing to Far-rightÆDenmark Democrats Right-wing to Far-right Electoral Alliance 2 Party Political alignmentFGreen LeftCentre-left to Left-wingØRed-Green Alliance Left-wing to Far-LeftÅThe AlternativeCentre-left to Left-wing Electoral Alliance 3 Party Political alignmentKChristian DemocratsCentre to Centre-rightMModeratesCentre to Centre-rightSSchleswig PartyCentre (Regionalism) Results by polling station
Results
Opinion polls
References