Some of the most popular types of tea include:

1. Black Tea: Known for its strong flavor and caffeine content, varieties like English Breakfast and Earl Grey are well-loved.
2. Green Tea: Known for its health benefits, green tea is available in various forms, such as Sencha, Matcha, and Jasmine.
3. Herbal Tea: This category includes a wide range of caffeine-free infusions like chamomile, peppermint, and ginger tea.
4. Oolong Tea: Semi-oxidized tea with a range of flavors from light and floral to dark and roasted.
5. White Tea: Light and delicate in flavor, white tea is often appreciated for its subtlety.
6. Chai Tea: A spiced tea blend, typically with black tea and various spices like cinnamon, cardamom, and ginger.
7. Rooibos Tea: A caffeine-free South African herbal tea known for its earthy and sweet taste.
8. Pu-erh Tea: A fermented tea with a unique, earthy flavor, and often aged for enhanced taste.

These are just a few examples, and there are countless other tea varieties and blends to explore. Preferences vary widely depending on individual taste and cultural traditions.