portuguese legislative election , 1991 

Statements about this table:
september 28 , 1991 be the date release when there be 9.7% of green communist
12.3% be the green communist when euroteste / jn be the polling institute
before september 28 , 1991 , less than 9.7% be green communist
euroteste / jn state that 12.3% be democratic and social centre
date released
polling institute
social democratic
socialist
green - communist
democratic and social centre
lead
october 6 , 1991
election results
50.6% 135 seats
29.1% 72 seats
8.8% 17 seats
4.4% 5 seats
21.5%
october 6 , 1991
exit poll - rtp1 universidade católica
48.0% - 51.9%
28.5% - 31.5%
7.5% - 10.0%
4.5% - 5.5%
19.5% - 20.4%
october 6 , 1991
exit poll - tsf / expresso euroexpansão
45.8% - 50.2%
29.8% - 33.9%
6.8% - 9.1%
3.7% - 5.5%
16.0% - 16.3%
october 6 , 1991
exit poll - antena1 euroteste
47.0% - 50.0%
31.0% - 34.0%
7.5% - 10.0%
4.0% - 5.0%
16.0%
september 28 , 1991
euroteste
47.3%
35.5%
8.5%
4.1%
11.8%
september 28 , 1991
euroteste
46.0%
37.0%
9.7%
3.9%
9.0%
date released
polling institute
social democratic
socialist
green - communist
democratic and social centre
lead
september 28 , 1991
euroexpansão
44.0%
33.0%
9.0%
6.0%
11.0%
september 27 , 1991
marktest
43.1%
32.8%
7.7%
4.6%
10.3%
september 27 , 1991
pluriteste
41.2%
34.7%
8.4%
8.1%
6.5%
september 20 , 1991
euroteste
45.6%
35.5%
10.0%
4.4%
10.1%
september 20 , 1991
marktest
41.9%
31.9%
7.3%
4.4%
10.0%
september 16 , 1991
pluriteste
39.2%
26.6%
6.2%
6.0%
12.6%
date released
polling institute
social democratic
socialist
green - communist
democratic and social centre
lead
september 16 , 1991
euroteste
45.1%
34.5%
10.2%
5.2%
10.6%
september 14 , 1991
norma
45.0%
37.5%
11.2%
3.5%
7.5%
august 28 , 1991
euroexpansão / marktest
35.3%
36.8%
8.7%
4.9%
1.5%
august 4 , 1991
euroteste / jn
47.5%
37.8%
12.3%
8.2%
7.7%
july 19 , 1987
1987 election
50.2% 148 seats
22.2% 60 seats
12.1% 31 seats
4.4% 4 seats
28.0%