what is the main source of income in japan
Economy of Japan Japan's service sector accounts for about three-quarters of its total economic output.[130] Banking, insurance, real estate, retailing, transportation, and telecommunications are all major industries such as Mitsubishi UFJ, Mizuho, NTT, TEPCO, Nomura, Mitsubishi Estate, ÆON, Mitsui Sumitomo, Softbank, JR East, Seven & I, KDDI and Japan Airlines counting as one of the largest companies in the world.[158][159] Four of the five most circulated newspapers in the world are Japanese newspapers.[160] The Koizumi government set Japan Post, one of the country's largest providers of savings and insurance services for privatization by 2015.[161] The six major keiretsus are the Mitsubishi, Sumitomo, Fuyo, Mitsui, Dai-Ichi Kangyo and Sanwa Groups.[162] Japan is home to 251 companies from the Forbes Global 2000 or 12.55% (as of 2013).[163]