Prince Charles has been criticised for getting too involved in politics in Britain but most New Zealanders believe their future King should be as outspoken as he wants.
In a Herald Digipoll survey taken after a speech Prince Charles delivered at the recent climate change conference in Paris, only 7.5 per cent believed he should not get involved in contentious issues such as climate change, while 37 per cent believed he should feel free to express his views in general terms.
More than half - 52 per cent - believed the Prince should break with the tradition that a monarch stay removed from politics and freely express his views, as long as he had no power.
Dean Knight, a constitutional law lecturer at Victoria University and adviser to the NZ Republican Movement, said Prince Charles had broken from the tradition that a monarch remain neutral. He was very different to his mother, the Queen.
"She is a paragon of neutrality and being above politics. His track record of being politically involved, expressing views, lobbying, having fingers in pies is troubling. On its face it is inconsistent with the office of Head of State, of monarch."
Mr Knight said New Zealanders were loyal to the Queen, but that did not necessarily transfer to her son.
Labour leader Andrew Little said while Prince Charles was still the heir he should be free to speak his mind "so that if and when he becomes the monarch people understand what kind of man he is".
He believed New Zealand would "debate vigorously" whether to become a republic at the point of succession from the Queen.
Prime Minister John Key has previously said it is inevitable New Zealand will become a republic, but he believed the affection people felt for Prince William and his family could prolong the monarchy's reign over New Zealand.