Party Position Main ideology Leader Five Star Movement (M5S) Big tent Populism Vito Crimi (acting) League (Lega) Right-wing Right-wing populism Matteo Salvini Forza Italia (FI) Centre-right Liberal conservatism Silvio Berlusconi Democratic Party (PD) Centre-left Social democracy Nicola Zingaretti Italia Viva (IV) Centre Liberalism Matteo Renzi Free and Equal (LeU)[lower-alpha 1] Left-wing Democratic socialism Several leaders