🇯🇵 Tokyo (Chiba) / Osaka, Japan · Festival

Summer Sonic

Day & nightOpen air & indoor

Estimated attendance

300,000 people

Basis of the estimate: total visits (each day counted) · 2026 edition · Source ↗

About this number

25th anniversary; 3-day edition, Tokyo + Osaka combined; organiser gives no breakdown. 2025 (2 days): 216,000 incl. Sonicmania, from search summary only

Usual month

August

Ranking

#27

among the world's 100 biggest festivals

Genresrockpopelectronicj-pop
Official site ↗

Next edition

Next edition dates: check the official site.

It usually takes place in August.

Official site ↗

4 editions

Edition by edition

Original flyer and photo of every edition, with credit and licence. Tap an image to enlarge it.

Sources

https://www.summersonic.com/news/2026-08-26-52861/https://commons.wikimedia.org/wiki/Category:Summer_Sonic_Festivalhttps://www.wikidata.org/wiki/Q1191269

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