(colour online) Proportion of beverage products from New Zealand (NZ), Australia, Canada and the UK for which the proposed UK three-tiered sugar-tax levy would apply. The UK sugar-tax levy proposes three categories: , <5 g sugar/100 ml (no tax); , 5–8 g sugar/100 ml (18 % tax per litre); , >8 g sugar/100 ml (24 % tax per litre). a,bWithin a category, unlike lower-case letters indicate significant differences (P≤0·01) in the number of taxable products (≥5 % sugar)