[1] The incumbent government was a coalition of the Social Democratic Party (SPD), Alliance 90/The Greens, and The Left led by Mayor Andreas Bovenschulte.

The right-wing Citizens in Rage (BiW) achieved their best-ever result with 9.4%, benefitting from the absence of the Alternative for Germany (AfD), who were disqualified from running due to internal party disputes.

[5] All German citizens aged 16 years or older who have lived in Bremen for at least three months are eligible to vote.

[5] In the previous election held on 26 May 2019, the CDU became the largest party in the Bürgerschaft for the first time in post-war history, winning 26.7%.

The SPD, which has governed the state continuously since the Second World War, was reduced to second place on 24.9%, a record low for the party and down eight percentage points from the 2015 election.

Despite the CDU achieving a plurality, the Bürgerschaft retained an overall left-wing majority of the SPD, Greens, and Left.