The following lists events that happened during 2015 in New Zealand. == Population == National Estimated populations as at 30 June. New Zealand total – 4,596,700 North Island – 3,519,800 South Island – 1,076,300 Main urban areas Estimated populations as at 30 June. == Incumbents == === Regal and vice-regal === Head of State – Elizabeth II Governor-General – Jerry Mateparae === Government === 2015 is the first full year of the 51st Parliament, which first sat on 21 October 2014. The Fift…