The number of vegetarians in New Zealand vastly overstated

A study from the University of Auckland has found only about 2% of New Zealanders exclude all meat from their diets. Vegans make up only about .5% Previous estiamates have been as high as 20% Mark Leishman talks to the study's lead author Dr Kathryn Bradbury about why it's important we have an accuarate idea on the number of people who eat a strict plant based diet.