The latest Newspoll shows support for Pauline Hanson's One Nation has crashed, boosting Labor's lead but also giving the Coalition its equal-best primary vote since just after the last election.
The poll for The Australian puts the major parties neck and neck on a primary vote of 39 per cent each.
Preferences from the Greens means Labor maintains a two-party-preferred lead of 52 per cent to 48 per cent, which is a 2.4 per cent swing against the Coalition.
This could represent a potential loss of 10 seats for the Coalition.
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The Coalition has built on a two-point jump in its primary vote two weeks ago, adding another point in the latest Newspoll.
But One Nation has seen its support crash to four per cent in the wake of the guns-for-funds scandal, which is the lowest point for the party since 2016.
The Greens remained unchanged on 9 per cent.
Going into the first full week of the campaign, Prime Minister Scott Morrison enjoys an unchanged 11-point lead over Opposition Leader Bill Shorten as preferred prime minister.
