Stats NZ reports:
Almost 95 percent of women and men aged 65+ years said they voted in the 2011 general election, compared with just over half of those aged 18 to 24. …
However, 87 percent of all those aged 65+ said they’d voted in local elections in a 2012 survey, compared with just 28 percent of people aged 18 to 24.
If you want to win, you need the support of older New Zealanders – they actually bother to vote.