Kiwi here. In NZ, a doctor is assumed to be a medical doctor without other context. And calling yourself a doctor when you're not a medical doctor gets you mock

Kiwi here. In NZ, a doctor is assumed to be a medical doctor without other context. And calling yourself a doctor when you're not a medical doctor gets you mocked, unless the context makes it clear you mean academic doctor-- as in, you're on a podium, and about to give an academic talk. Mind you, calling yourself anything which isn't explicitly self deprecating gets you mocked in NZ.