Support for the National Party has fallen, according to an opinion poll released on Sunday.
National has dropped by 3%, to 45%, in TVNZ's latest Colmar Brunton poll.
The Labour Party's support has risen 2%, to 34%, and the Green Party sits at 12%.
National's John Key remains the preferred Prime Minister on 44%, while Labour leader David Shearer's support has dropped 1% to sit at 12%.
The poll has a margin of error of plus or minus 3.1%.