Home Reports 2025 Global Japan

Internet Speed Report Japan July 2025

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

Total Tests

96

Avg. Download

223.53Mbps

Avg. Upload

307.92Mbps

Avg. Ping

40.6ms

Top Internet Providers

Provider Avg Speed
BIGLOBE Inc. 129.0 Mbps
BIGLOBE Inc. 125.2 Mbps
OPTAGE Inc. 643.3 Mbps
ARTERIA Networks Corporation 174.9 Mbps
NTT Communications Corporation 179.8 Mbps
NTT Communications Corporation 124.1 Mbps
JPNE-IP4 136.6 Mbps
OPTAGE Inc. 428.0 Mbps
OPTAGE Inc. 106.4 Mbps
AITAI-NET(Himawari Network Inc.) 451.6 Mbps

Top Devices

Device Share
iPhone 11.5%
Generic Smartphone 3.1%
iPhone 2.1%
iPhone 1.0%
Apple iPhone 1.0%
iPhone 1.0%

Top Browsers

Browser Share
Chrome 37.5%
Chrome 13.5%
Mobile Safari 11.5%
Chrome 8.3%
Safari 3.1%
Chrome 3.1%
Chrome Mobile 3.1%
Chrome 3.1%
Chrome 3.1%
Mobile Safari 2.1%

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.