electionstracker

Belgium 1977 federal election

What was the result of the 1977 federal election in Belgium?

Belgian Socialist Party won 62 of 212 seats with 27.0% of the vote. 95.1% of registered voters cast a ballot.

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

Which party won the most seats?

Final results from ParlGov, read : Belgian Socialist Party won 62 of 212 seats with 27.0% of the vote; 95.1% of registered voters cast a ballot, up 4.8 points on 1974.

  • Belgian Socialist Party 62 +3 seats 27.0% +0.3 points
  • Flemish Christian Peoples Party / Christian Democrats & Flemish 56 +6 seats 26.2% +2.9 points
  • People's Union 20 −2 seats 10.0% −0.2 points
  • Humanist Democratic Centre 24 +2 seats 9.8% +0.7 points
  • Party of Liberty and Progress / Flemish Liberals and Democrats 17 −4 seats 8.5% −1.1 points
  • Liberal Reformist Party 14 +5 seats 7.0% +1.4 points
  • Francophone Democratic Front 10 +1 seat 4.3% −0.7 points
  • Walloon Rally 5 −8 seats 3.0% −2.9 points
  • Communist Party of Belgium 2 −2 seats 2.7% −0.5 points
  • Liberal Party [Brussels Region] 2 −1 seat
  • 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 Belgium 1974 federal election, party by party.

107 of 212 seats make a majority

Key numbers

  1. 27.0%

    Share of the vote won by Belgian Socialist Party

    Belgian Socialist Party won 62 of 212 seats. A majority needs 107.

  2. +6 seats

    Seats gained by Flemish Christian Peoples Party / Christian Democrats & Flemish

    The largest gain in seats compared with 1974. Walloon Rally lost 8 seats.

  3. 95.1%

    Voter turnout

    Up 4.8 points on 1974.

Seats and votes by party

PartySeats± seats%± pointsVotes
Belgian Socialist Party62+327.0+0.31,507,014
Flemish Christian Peoples Party / Christian Democrats & Flemish56+626.2+2.91,459,997
People's Union20−210.0−0.2559,634
Humanist Democratic Centre24+29.8+0.7543,608
Party of Liberty and Progress / Flemish Liberals and Democrats17−48.5−1.1475,912
Liberal Reformist Party14+57.0+1.4391,649
Francophone Democratic Front10+14.3−0.7237,280
Walloon Rally5−83.0−2.9164,961
Communist Party of Belgium2−22.7−0.5151,421
Workers' Party of Belgium000.4+0.124,876
Liberal Party [Brussels Region]2−1

± is the change against the Belgium 1974 federal election, party by party.

Votes by party
  • Belgian Socialist Party 1,507,014
  • Flemish Christian Peoples Party / Christian Democrats & Flemish 1,459,997
  • People's Union 559,634
  • Humanist Democratic Centre 543,608
  • Party of Liberty and Progress / Flemish Liberals and Democrats 475,912
  • Liberal Reformist Party 391,649
  • Francophone Democratic Front 237,280
  • Walloon Rally 164,961
  • Communist Party of Belgium 151,421
  • Workers' Party of Belgium 24,876
  • Liberal Party [Brussels Region]

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?

95.1% of the 6,316,662 registered voters cast a ballot (6,006,211 ballots), up 4.8 points on 1974. 5,575,058 of them were valid votes. The highest turnout of this kind in our data, which begins in 1946.

How do the votes compare with the seats?

  • Belgian Socialist Party27.0% of votes29.2% of seats
  • Flemish Christian Peoples Party / Christian Democrats & Flemish26.2% of votes26.4% of seats
  • Humanist Democratic Centre9.8% of votes11.3% of seats
  • People's Union10.0% of votes9.4% of seats
  • Party of Liberty and Progress / Flemish Liberals and Democrats8.5% of votes8.0% of seats
  • Liberal Reformist Party7.0% of votes6.6% of seats
  • Francophone Democratic Front4.3% of votes4.7% of seats
  • Walloon Rally3.0% of votes2.4% of seats
  • Communist Party of Belgium2.7% of votes0.9% of seats
Each party's share of the vote (outlined) and of the seats (filled)

The Gallagher index of disproportionality is 2.6 (0 when seats follow votes exactly); the effective number of parties is 5.7 by votes and 5.2 by seats; Belgian Socialist Party led Flemish Christian Peoples Party / Christian Democrats & Flemish by 0.8 points of the vote.

Time and source Data as of