1. China, India, Kenya, and Sri Lanka are the top 4 largest tea producing nations, collectively producing over 60% of the world's tea. 2. Most tea producing countries consume most of their tea domestically, with only 30-35% of total production being exported on average. 3. Tea culture varies widely around the world, with different styles of tea preparation and consumption in countries like China, Britain, India, Japan, Thailand, and many regions in Indonesia.