Japan Network Coverage
Comprehensive network coverage information for Japan. Compare carrier coverage, speeds, and technology availability across 4 major networks.
Overall Coverage
Population coverage
Major Networks
Carriers available
Technologies
Network types
5G Available
Next-gen network
Available Technologies
Network technologies supported in Japan
Major Networks
NTT Docomo
99% population coverage
KDDI au
99% population coverage
SoftBank
98% population coverage
Rakuten Mobile
95% population coverage
Key Facts
Interesting facts about Japan's network coverage
- •Japan was among the first countries to launch 5G services in 2020
- •NTT Docomo has the largest market share with over 80 million subscribers
- •Japan phased out 2G networks in 2012, focusing on 3G, 4G, and 5G
- •Rakuten Mobile launched as Japan's fourth operator in 2020 with innovative cloud-native network
Key Statistics
Market data and metrics
Network History & Development
The evolution of mobile networks in Japan
Japan's mobile market began in the 1980s with NTT launching the first cellular network. The market evolved through multiple generations, with 3G launching in 2001 and 4G in 2010. Japan was an early adopter of 5G, launching services in March 2020. The market is dominated by three major operators, with Rakuten Mobile entering as a fourth operator in 2020.
Market Overview
Current state of the mobile network market
Japan has one of the most advanced mobile markets globally with near-universal 4G coverage and extensive 5G deployment. The market is dominated by NTT Docomo, KDDI au, and SoftBank, all offering comprehensive 3G, 4G, and 5G services. Network speeds are among the fastest globally, with excellent coverage across urban and rural areas. Japan was an early 5G adopter and continues to lead in network innovation and quality.
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View network coverage for other countries in Asia