Youth vaping rates in New Zealand have dropped more than 50 per cent over the past three years, but one headmaster's calling for stronger regulation.

An annual youth vaping survey's found a promising drop in secondary school aged children vaping.

It's consistent with what Auckland Grammar's Tim O'Connor's been seeing.

But he told Mike Hosking it remains a significant issue for young people.

“I still think there’s something that needs to be done about the ready access of vapes – these vape stores that look like they’re selling iPhones to teenagers.”

LISTEN ABOVE