Home Reports 2025 Global Japan

Internet Speed Report Japan May 2025

A comprehensive analysis of broadband performance in Japan based on real user speed tests conducted on Bandwidth Place.

Total Tests

64

Avg. Download

295.63Mbps

Avg. Upload

305.37Mbps

Avg. Ping

37.4ms

Top Internet Providers

Provider Avg Speed
Excitel Broadband Private Limited 257.9 Mbps
BIGLOBE Inc. 143.8 Mbps
NTT Communications Corporation 157.4 Mbps
NTT Communications Corporation 288.2 Mbps
NTT Communications Corporation 207.4 Mbps
NTT Communications Corporation 136.4 Mbps
NTT Communications Corporation 140.4 Mbps
Jupiter Telecommunication Co. Ltd 142.9 Mbps
GOL-RBBPOOL 177.1 Mbps
Internet Initiative Japan Inc. 215.4 Mbps

Top Devices

Device Share
iPhone 12.5%
iPhone 7.8%
iPad 1.6%
Generic Smartphone 1.6%
Generic Smartphone 1.6%
Generic Smartphone 1.6%
iPhone 1.6%

Top Browsers

Browser Share
Chrome 31.3%
Chrome 15.6%
Mobile Safari 12.5%
Mobile Safari 7.8%
Firefox 4.7%
Chrome 3.1%
Mobile Safari 1.6%
Chrome 1.6%
Chrome Mobile 1.6%
Chrome 1.6%

Analysis Methodology

The data presented in this report is aggregated directly from real user speed tests performed on the Bandwidth Place platform testing network nodes globally during 2025. We calculate the localized metrics using strict data sanity checks to prevent skewed results from anomalies or extreme outliers.

SEO & Location Routing Structure: Because location data is structurally rigid, caching data dynamically to static hierarchy (Country -> State -> City) provides significant improvements to PageSpeed metrics and Time to First Byte (TTFB). This strategy ensures optimum indexing for search engines processing localized queries.