"HAPPY BIRTHDAY" is a 2019 j-pop track by back number. It peaked at #30 in Japan on March 9, 2026.
Frequently asked questions
Did "HAPPY BIRTHDAY" reach #1?
No. "HAPPY BIRTHDAY" peaked at #30 in Japan (March 9, 2026).
How many weeks did "HAPPY BIRTHDAY" spend on the charts?
"HAPPY BIRTHDAY" spent 10 weeks on the charts across 1 countries.
When did "HAPPY BIRTHDAY" come out?
"HAPPY BIRTHDAY" came out on February 19, 2019.
What genre is "HAPPY BIRTHDAY"?
"HAPPY BIRTHDAY" is j-pop.
Where can I listen to or buy "HAPPY BIRTHDAY"?
Stream "HAPPY BIRTHDAY" on Apple Music, Spotify, YouTube Music, or Amazon Music. You can also buy an MP3 on Amazon.
Chart history
| Date | Week | Position | Status |
|---|---|---|---|
| 2026-04-20 | 17 | 33 | |
| 2026-04-13 | 16 | 39 | |
| 2026-04-06 | 15 | 37 |
