Election 1987

# Seat share Seats Vote share ±
PSD 59.2 148 51.3 +20.7
PS 24.0 60 22.7 +1.4
CDU 12.4
PCP 11.2 28
ID 0.8 2
PEV 0.4 1
PRD 2.8 7 5.0 -13.4
CDS 1.6 4 4.5 -5.7
UDP 0 0.9 -0.4
Date
19 Jul 1987 – early election
Total seats: 250
Cabinets
17 Aug 1987 – Silva II
Sources
Comissão Nacional de Eleições
Mackie and Rose (1991)
Wikipedia
· EN – Portuguese legislative election, 1987
Votes
Electorate: 7,930,668
Total votes: 5,676,358
Valid votes: 5,552,690
Calculated (2018-10-19 ...)
ENP votes (seats): 3.0 (2.4)
Disp. 6.2 · Adv.ratio: 1.15
Polarization (seats): 0.45
0.45