It will become the seventh country in the world to introduce assisted dying laws.
Two referendums took place at the same time as the general election that saw Prime Minister Jacinda Ardern win a second term this month.
The first vote on assisted dying has already secured enough “yes” ballots – 65.2% – to become law, meaning New Zealand will become the seventh country in the world to legalise euthanasia.
But with almost half a million postal votes yet to be counted, 53.1% of New Zealanders have voted against joining Canada and Uruguay in making cannabis legal, the electoral commission said on Friday.
As a result of the vote on assisted dying, from November 2021, terminally ill patients with less than six months to live will be allowed to arrange their own death.
They must be 18 and have the approval of two doctors, newly passed legislation states.
The final results of both referendums will be announced on 6 November.