DCDemocrazia Cristiana333 41.8%
PCIPartito Comunista Italiano193 24.2%
PSUUnified Socialist Party108 13.6%
PLIPartito Liberale Italiano70 8.8%
PSIUPItalian Socialist Party of Proletarian Unity46 5.8%
PDIUMItalian Democratic Party of Monarchist Unity17 2.1%
MSIMovimento Sociale Italiano12 1.5%
PRIPartito Repubblicano Italiano2 0.3%