Leveling seat
Leveling seats (Danish: tillægsmandat, Swedish: utjämningsmandat, Norwegian: utjevningsmandater, Icelandic: jöfnunarsæti, German: Ausgleichsmandat), commonly known also as adjustment seats, are an election mechanism employed for many years by all Nordic countries (except Finland) in elections for its national legislatures. Germany also used national leveling seats for its legislature's lower chamber, the Bundestag, from 2013 to 2023.