Home Reports 2025 Global Japan

Internet Speed Report Japan March 2025

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

Total Tests

69

Avg. Download

367.35Mbps

Avg. Upload

289.03Mbps

Avg. Ping

28.9ms

Top Internet Providers

Provider Avg Speed
Excitel Broadband Private Limited 730.6 Mbps
Cellco Partnership DBA Verizon Wireless 1,349.1 Mbps
NTT Communications Corporation 176.6 Mbps
Jupiter Telecommunication Co. Ltd 258.4 Mbps
NTT Communications Corporation 152.1 Mbps
OPTAGE Inc. 375.4 Mbps
NTT Communications Corporation 235.8 Mbps
OPTAGE Inc. 209.8 Mbps
NTT PC Communications, Inc. 237.8 Mbps
Softbank BB Corp. 304.3 Mbps

Top Devices

Device Share
iPhone 18.8%
Generic Smartphone 7.2%
iPhone 7.2%
Apple iPhone 4.3%
Apple iPhone 1.4%

Top Browsers

Browser Share
Mobile Safari 18.8%
Chrome 17.4%
Chrome 15.9%
Firefox 7.2%
Chrome Mobile 7.2%
Mobile Safari 7.2%
Safari 4.3%
Chrome 4.3%
Chrome 2.9%
Chrome 1.4%

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.