The maximum number of vegetarians live in these six countries.
How many: Approximately 30 to 40 per cent of the population.
Why: Religious, cultural and economic reasons.
How many: Approximately 13 to 15 per cent.
Why: Ethical concerns, and popularity of plant-based or vegan diets.
How many: Approximately 8 to 10 per cent of the population.
Why: The Mediterranean diet, prevalent in Italy, emphasises fresh vegetables, legumes, and grains which is in sync with their desire for healthier eating habits.
How many: Approximately 10 to 12 per cent of the population.
Why: Huge vegetarian and vegan movement.
How many: Approximately 7 to 10 per cent of the population.
Why: Growing awareness about animal welfare and the health benefits of a vegetarian and vegan diet.
How many: Approximately 8 to 10 per cent of the population.
Why: Strong cultural emphasis on environmentalism and sustainable living.