Likewise, 65 percent support Obama's new position on the issue.
But it has never polled much more than about 20 percent support in a national vote.
Currently, a candidate must show at least 15 percent support in the polls.
"The 80 percent support shows that people realized it is a unique opportunity to join the West."
Specter withdrew early in the campaign season with less than two percent support.
The party won with 44 percent support in 1986.
Life in prison won the support of 42 percent.
Respondents in Chile showed 49 percent support for that family structure.
There, the President received more than 58 percent support.
Meanwhile, the party dropped from seven to five percent support in opinion polls.