What is regarded as the most widely used drug globally?

The most widely used drug globally is caffeine. Caffeine is a central nervous system stimulant commonly consumed in beverages like coffee, tea, and energy drinks. Its widespread availability, societal acceptance, and cultural significance contribute to its extensive use. Many people incorporate caffeine into their daily routines for its energizing effects, which enhance alertness and combat fatigue. Studies indicate that billions of people around the world consume caffeine regularly, making it a prevalent substance in daily life.

While alcohol, nicotine, and marijuana are also significant in terms of use worldwide, caffeine's acceptance and incorporation into a variety of social practices underscore its prominence as the most consumed psychoactive substance.