Japan Internet Speed Test
Free Japan internet speed test: download, upload, ping and latency. Explore local ISPs, packages and cities — then run the global tool.
- Population
- 125M+
- Typical download
- 100–500 Mbps
- Currency
- JPY
Internet market in Japan
Japan is a Tier 1 market in the World Speed Test architecture. Primary keyword: Internet Speed Test. Languages: ja, en.
Major ISPs in Japan
- NttComing soon
- SoftbankComing soon
- KddiComing soon
Dedicated ISP pages, packages and office maps roll out next in Phase 3.
Cities
- Tokyo
- Osaka
- Yokohama
- Nagoya
- Sapporo
FAQs
- What is a good internet speed in Japan?
- Typical household download in Japan is around 100–500 Mbps. Gamers should watch ping; streamers need stable upload.
- How do I run a Japan speed test?
- Open the World Speed Test homepage tool, tap GO, and compare results with your plan. ISP and city pages on this site explain local networks.
- Is this Japan speed test free?
- Yes. World Speed Test is free in the browser — no app or account required.
Ready to measure your line?
The live LibreSpeed tool runs on the World Speed Test homepage — one accurate test for every country.