evidence: In Northern Ireland, more than half of all voters (51%) said they would vote against unity, with 30% in favour. The rest were undecided (15%) or would not vote (5%). [...] Unionist voters who said they would find it almost impossible to accept a vote for Irish unity fell from 32% last year to 23% in the latest poll. [...] Some 64% of respondents there said they would vote for unity, with just 16% against. Some 13% said they did not know, and 5% would not vote.