2024 in Japanese music

The year 2024 in Japanese music.

Debuting groups

 * Number_i
 * Me:I

Debuting soloists

 * Ayaka Nanase
 * Hina Suguta
 * Hina Tachibana
 * Nagisa Aoyama
 * Shōya Chiba

Number-ones

 * Oricon number-one albums
 * Oricon number-one singles
 * Billboard Japan number-one albums
 * Billboard Japan Hot 100 number-one singles