Te Karere.

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Maori Party support has plunged and Labour's has jumped among Maori voters, according to a new DigiPoll survey for TVNZ's Te Karere.

The two parties are even on 38 per cent.

Only three months ago in a comparable poll, the Maori Party polled 48.1 per cent and Labour 26.1 per cent in party vote support.

In yesterday's poll National is 17 per cent (down from 19.8 per cent) and the Greens are unchanged on 3 per cent.

Many headlines after the last poll were dominated by Maori Party MP Hone Harawira and his comments about "white m***** f***ers", after a side trip to Paris while on a taxpayer-funded visit to Brussels, and the Maori Party deal to pass the emissions trading scheme (ETS).

Labour leader Phil Goff made a controversial nationhood speech on separatism, the foreshore and seabed and the ETS.

Prime Minister John Key is still the preferred Prime Minister among Maori voters, as he was in the last poll, supported by 31 per cent.

Labour leader Phil Goff is preferred by 5 per cent.