What is the worlds most popular Non-Alcoholic Drink?

The world's most popular non-alcoholic drink is tea.

Tea is the second most consumed beverage in the world, after water. It is made from the leaves of the Camellia sinensis plant, and contains caffeine, a stimulant that helps people feel alert and focused. Tea comes in many different flavours, including black tea, green tea, white tea, and oolong tea. It can be served hot or cold, and can be enjoyed with or without milk, sugar, or other additives.