electionstracker

Italy 1958 parliamentary election

What was the result of the 1958 parliamentary election in Italy?

Christian Democracy won 273 of 596 seats with 42.4% of the vote. 93.8% of registered voters cast a ballot.

  • Italy
  • Held:
  • Final result
  • ParlGov, read 5 October 2026

Which party won the most seats?

Final results from ParlGov, read : Christian Democracy won 273 of 596 seats with 42.4% of the vote; 93.8% of registered voters cast a ballot, unchanged on 1953.

  • Christian Democracy 273 +10 seats 42.4% +2.3 points
  • Italian Communist Party 140 −3 seats 22.7% +0.1 points
  • Italian Socialist Party 84 +9 seats 14.2% +1.5 points
  • Italian Social Movement 24 −5 seats 4.8% −1.0 points
  • Italian Democratic Socialist Party 22 +3 seats 4.6% +0.1 points
  • Italian Liberal Party 17 +4 seats 3.5% +0.5 points
  • People's Monarchist Party 14 2.6%
  • Monarchist National Party 11 −29 seats 2.2% −4.7 points
  • Italian Republican Party 6 +1 seat 1.4% −0.2 points
  • South Tyrolean People's Party 3 0 seats 0.5% 0.0 points
  • Valdostan Union 1 0.1%
  • Seats won
  • Change on the previous election at the right
  • Share of the vote
  • Share at the previous election
  • Change in points at the right

Changes are against the Italy 1953 parliamentary election, party by party.

299 of 596 seats make a majority

Key numbers

  1. 42.4%

    Share of the vote won by Christian Democracy

    Christian Democracy won 273 of 596 seats. A majority needs 299.

  2. +10 seats

    Seats gained by Christian Democracy

    The largest gain in seats compared with 1953. Monarchist National Party lost 29 seats.

  3. 93.8%

    Voter turnout

    Unchanged on 1953.

Seats and votes by party

PartySeats± seats%± pointsVotes
Christian Democracy273+1042.4+2.312,520,207
Italian Communist Party140−322.7+0.16,704,454
Italian Socialist Party84+914.2+1.54,206,726
Italian Social Movement24−54.8−1.01,407,718
Italian Democratic Socialist Party22+34.6+0.11,345,447
Italian Liberal Party17+43.5+0.51,047,081
People's Monarchist Party142.6776,919
Monarchist National Party11−292.2−4.7659,997
Italian Republican Party6+11.4−0.2405,782
Unnamed party with one seat10.6173,227
South Tyrolean People's Party300.50.0135,491
Largest party without seats000.2−0.670,589
Valdostan Union10.130,596

± is the change against the Italy 1953 parliamentary election, party by party.

Votes by party
  • Christian Democracy 12,520,207
  • Italian Communist Party 6,704,454
  • Italian Socialist Party 4,206,726
  • Italian Social Movement 1,407,718
  • Italian Democratic Socialist Party 1,345,447
  • Italian Liberal Party 1,047,081
  • People's Monarchist Party 776,919
  • Monarchist National Party 659,997
  • Italian Republican Party 405,782
  • Unnamed party with one seat 173,227
  • South Tyrolean People's Party 135,491
  • Largest party without seats 70,589
  • Valdostan Union 30,596

ParlGov lists parties with at least 1 percent of the vote or 2 seats, so the rows do not add up to the valid votes.

How many people voted?

93.8% of the 32,434,835 registered voters cast a ballot (30,434,681 ballots), unchanged on 1953. 29,560,269 of them were valid votes.

How do the votes compare with the seats?

  • Christian Democracy42.4% of votes45.8% of seats
  • Italian Communist Party22.7% of votes23.5% of seats
  • Italian Socialist Party14.2% of votes14.1% of seats
  • Italian Social Movement4.8% of votes4.0% of seats
  • Italian Democratic Socialist Party4.6% of votes3.7% of seats
  • Italian Liberal Party3.5% of votes2.9% of seats
  • People's Monarchist Party2.6% of votes2.3% of seats
  • Monarchist National Party2.2% of votes1.8% of seats
  • Italian Republican Party1.4% of votes1.0% of seats
  • South Tyrolean People's Party0.5% of votes0.5% of seats
  • Valdostan Union0.1% of votes0.2% of seats
Each party's share of the vote (outlined) and of the seats (filled)

The Gallagher index of disproportionality is 2.7 (0 when seats follow votes exactly); the effective number of parties is 3.9 by votes and 3.5 by seats; Christian Democracy led Italian Communist Party by 19.7 points of the vote.

Time and source Data as of