At the 1946 general election, the first after World War II, despite competition by the Action Party, which had a similar constituency and regional base, the PRI won 4.4% of the vote, with peaks in its traditional strongholds: around 21% in Romagna (32.5% in Forlì and 37.3% in Ravenna), 16.4% in the Marche (26.6% in Ancona and 32.9% in Jesi), 11.0% in Umbria and 15.2% in Lazio.
Больше всего голосов республиканцы получили в своих традиционных регионах: около 21 % в Романье (в том числе 32,5 % в Форли и 37,3 % в Равенне), 16,4 % в Марке (в том числе 26,6 % в Анконе и 32,9 % в Ези), 15,2 % в Лацио и 11,0 % в Умбрии.