The Kantar Insight New Zealand CEO said the new methodology will give a more robust and accurate result.
A group of now ex-local government politicians had to vacate their seats after being elected in the 2017 election - and by-elections aren't cheap.
Total turnout was 79.8 per cent, the highest since 2005, and 18 to 24-year-olds were up 6.5 per cent.
There was an unusual excitement to the swearing in ceremony, and Corin Dann gets a red birthday cake.
John Armstrong says the coalition agreement could be read as a handover plan.
Prime Minister-elect Jacinda Ardern hs announced the full list of her government's portfolios.
The Prime Minister-elect has released details of who gets what in the Labour-led government.
The Green Party co-leader said the MPs were tremendously talented in their fields.
Labour signed a coalition agreement with NZ First and a support agreement with the Greens.
Mr Peters said he was happy with the outcome.
The coalition announcement was made today in Wellington, with confirmed ministerial positions coming later this week.
There are skill needs and shortages that need to be met, Ms Ardern told Q+A.
Public transport will also be a priority, as will moving New Zealand towards "100% renewable energy generation", he said.
Whip and deputy whip roles have also been announced.
Winston Peters, Ron Mark, Shane Jones and Tracey Martin are likely ministers.
Even 1NEWS' political team had no idea when, how, and if the NZ First leader would reveal his coalition partners yesterday.
They will be joined inside Cabinet by four NZ First MPs.
The PM-elect also implied she would be involved in arts and culture, and intelligence portfolios.
The PM-elect was quick to get down to business, however.
That will include at least four Cabinet positions for NZ First with the Green Party's James Shaw also in line.
The new Labour leader caps a meteoric rise to power.
"We all know the rules, we play by them," Mr English said of his party's 56 seats in opposition.
Relive an action packed day, as Jacinda Ardern became New Zealand's new Prime Minister elect.
Winston Peters ends National's nine year reign as Government in sensational fashion.
Despite losing the top job, Mr English was happy to offer his replacement some advice.
The NZ First leader strongly hinted Labour had conceded the deputy PM job to him.
The NZ First leader has no doubt Jacinda Adern has enough experience to be PM.
After nearly two weeks of negotiations, Mr Peters announced his decision today.
It's believed the NZ First leader wants five ministerial portfolios, four inside cabinet, and that's a sticking point for National.
It's Bill's "satisfied" remarks versus Jacinda's wink.
