Support for National has fallen 6 percent in September so far, with the party now sitting at 44.5 percent according to the latest Roy Morgan poll.
Labour's support was now at 31 percent, up 4 percent, Greens were also up by 4 percent, now at 15 percent, while support for NZ First decreased by 2.5 percent down to 5.5 percent.
The Maori Party's support was unchanged at 1.5 percent, Act was also unchanged at 0.5 percent and United Future was up 0.5 percent - to 0.5 percent.
