Atlus will be launching Persona 5 in Japan on September 15th, 2016.
A 20th Anniversary Edition of the game has also been announced which will include the game, an art booklet, a five-CD soundtrack featuring music from the entire series, and downloadable content, some of which is featured from the previous titles in the series. The game will retail for 13,800 yen (approx $128 USD/$165 CAD). Unfortunately, a western release of the 20th Anniversary Edition has yet to be confirmed.
A trailer for the game has also been revealed, which you can view below:
Persona 5 will be available for the Playstation 4 and Playstation 3 on September 15th, 2016. The game will launch standalone in North America in 2016.