The Sammarinese Christian Democratic Party received the majority of the votes in the 1978 general election.
Sammarinese Christian Democratic Party 42.3 Sammarinese Communist Party 25.1 Sammarinese Socialist Party 13.8 Unitary Socialist Party 11.1 Party of Socialist Democracy 4.2 Committee for the Defence of the Republic 2.8 Communist Party (MarxistLeninist) of San Marino 0.7 
