The politics of Schleswig-Holstein takes place within a framework of a federal parliamentary representative democratic republic, where the Federal Government of Germany exercises sovereign rights with certain powers reserved to the states of Germany including Schleswig-Holstein.

[1] In the 1930 Reicshtag elections, the Nazi Party received their highest vote share in Schleswig-Holstein with 27%.

[1][4] The rural areas of Schleswig-Holstein were particularly likely to support the Nazis.

[1][2][5] Since the creation of the Federal Republic in 1945, the state's Minister-Presidents have been:[6] The last elections were held on 8 May 2022.

[11] Until then, Schleswig-Holstein was the last German state without a constitutional court.