Under Germany's mixed member proportional system of election, the Bundestag has 299 constituencies (Wahlkreise (German: [ˈvaːlˌkʁaɪ̯zə] ⓘ), electoral districts), each of which may elect one member of the Bundestag by first-past-the-post voting (a plurality of votes).
[a] At least 331 more representatives are elected from closed lists in each of Germany's sixteen Länder, distributed in a manner that ensures that the overall proportion of representatives for each party above the threshold is approximately equal to the proportion of votes its list received nationwide.
[2] Voting was last held in Germany's constituencies on 27 September 2021, determining the members of the 20th Bundestag.
In the 2025 German federal election, Memmingen – Unterallgäu will be contested for the first time.