- Who
- Oi Ocha
- What
- Market leader US dollar(s)
- Where
- Japan ()
- When
Based on retail value sales (rsp) as published by Euromonitor International (Health and Wellness 2022 edition) in November 2021, the largest NH (naturally sugar-free) RTD green tea brand in the world in 2021 was Oi Ocha (Japan).
Source Euromonitor International Limited