Japan's 5G base stations increase to 347,000, with wide variation among operators
Japan had 346,715 5G base stations at the end of March 2026, an increase of 39,452 over the previous year, according to a radio spectrum usage survey published by the ministry of internal affairs and communications (MIC). Among the four mobile network operators, KDDI had 131,042 5G base stations (including those of its BWA affiliate UQ Communications), followed by SoftBank with 120,564 (including Wireless City Planning), NTT Docomo with 58,979 and Rakuten Mobile with 36,130.