It is legal in NZ. Parliament voted 61-59 (barely in favor) requiring a referendum, and the people voted 65.1% in favor
https://archive.electionresults.govt.nz/electionresults_2020/referendums-results.html
Most of the organisations against euthnasia were(are) either Christian or hospice businesses (who would lose customers).
48.6% of New Zealanders have "no religion".