Persona 5: The Royal has been rated C (15+) in Japan. This is the same rating that was given to Persona 5. In the US, Persona 5 was given an M for Mature (17+) rating, so we should expect Persona 5: Royal to receive the same.
Persona 5 The Royal is now confirmed to have a C (15+) rating by CERO. #P5R pic.twitter.com/VjfUOIp6As
— Mystic (@MysticDistance) July 26, 2019
Persona 5:The Royal launches on October 31st in Japan, with a release date for the West being 2020.