electionstracker

Italy 1963 parliamentary election

What was the result of the 1963 parliamentary election in Italy?

Christian Democracy won 260 of 630 seats with 38.3% of the vote. 92.9% 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 260 of 630 seats with 38.3% of the vote; 92.9% of registered voters cast a ballot, down 0.9 points on 1958.

  • Christian Democracy 260 −13 seats 38.3% −4.1 points
  • Italian Communist Party 166 +26 seats 25.3% +2.6 points
  • Italian Socialist Party 87 +3 seats 13.8% −0.4 points
  • Italian Liberal Party 39 +22 seats 7.0% +3.5 points
  • Italian Democratic Socialist Party 33 +11 seats 6.1% +1.5 points
  • Italian Social Movement 27 +3 seats 5.1% +0.3 points
  • Italian Democratic Party of Monarchist Unity 8 1.8%
  • Italian Republican Party 6 0 seats 1.4% 0.0 points
  • South Tyrolean People's Party 3 0 seats 0.4% 0.0 points
  • Valdostan Union 1 0 seats 0.1% 0.0 points
  • 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 1958 parliamentary election, party by party.

316 of 630 seats make a majority

Key numbers

  1. 38.3%

    Share of the vote won by Christian Democracy

    Christian Democracy won 260 of 630 seats. A majority needs 316.

  2. +26 seats

    Seats gained by Italian Communist Party

    The largest gain in seats compared with 1958. Christian Democracy lost 13 seats.

  3. 92.9%

    Voter turnout

    Down 0.9 points on 1958.

Seats and votes by party

PartySeats± seats%± pointsVotes
Christian Democracy260−1338.3−4.111,773,182
Italian Communist Party166+2625.3+2.67,767,601
Italian Socialist Party87+313.8−0.44,255,836
Italian Liberal Party39+227.0+3.52,144,270
Italian Democratic Socialist Party33+116.1+1.51,876,271
Italian Social Movement27+35.1+0.31,570,282
Italian Democratic Party of Monarchist Unity81.8536,948
Italian Republican Party601.40.0420,213
South Tyrolean People's Party300.40.0135,457
Largest party without seats000.3+0.192,209
Valdostan Union100.10.031,844

± is the change against the Italy 1958 parliamentary election, party by party.

Votes by party
  • Christian Democracy 11,773,182
  • Italian Communist Party 7,767,601
  • Italian Socialist Party 4,255,836
  • Italian Liberal Party 2,144,270
  • Italian Democratic Socialist Party 1,876,271
  • Italian Social Movement 1,570,282
  • Italian Democratic Party of Monarchist Unity 536,948
  • Italian Republican Party 420,213
  • South Tyrolean People's Party 135,457
  • Largest party without seats 92,209
  • Valdostan Union 31,844

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?

92.9% of the 34,199,184 registered voters cast a ballot (31,766,009 ballots), down 0.9 points on 1958. 30,752,871 of them were valid votes. The lowest turnout since 1948 in our data.

How do the votes compare with the seats?

  • Christian Democracy38.3% of votes41.3% of seats
  • Italian Communist Party25.3% of votes26.3% of seats
  • Italian Socialist Party13.8% of votes13.8% of seats
  • Italian Liberal Party7.0% of votes6.2% of seats
  • Italian Democratic Socialist Party6.1% of votes5.2% of seats
  • Italian Social Movement5.1% of votes4.3% of seats
  • Italian Democratic Party of Monarchist Unity1.8% of votes1.3% of seats
  • Italian Republican Party1.4% of votes1.0% of seats
  • South Tyrolean People's Party0.4% 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 2.5 (0 when seats follow votes exactly); the effective number of parties is 4.1 by votes and 3.7 by seats; Christian Democracy led Italian Communist Party by 13.0 points of the vote.

Time and source Data as of