counties with least nonvegetarian population 

India

With a large vegetarian population influenced by cultural, religious, and ethical factors.

Bhutan:

– Where vegetarianism is common due to Buddhist beliefs that promote non-violence. –

Nepal

Where a significant portion of the population follows vegetarian diets influenced by Hindu and Buddhist traditions.

Jamaica:

Known for a high proportion of the population following a predominantly vegetarian diet due to Rastafarian beliefs.

Israel:

Although not entirely vegetarian, Israel has a high percentage of vegetarians due to cultural and health reasons.