The
Swedish Social Democratic Party, (,
SAP; literally, "Social Democratic Workers' Party of Sweden"), contesting elections as the
Arbetarepartiet–Socialdemokraterna ('The Workers' Party – The Social Democrats'), usually referred to just as the 'Social Democrats' (
Socialdemokraterna); is the oldest and largest
political party in Sweden. The current party leader since 2012 is
Stefan Löfven; he has also been
Prime Minister of Sweden since 2014.