Source: International Monetary Fund
Release: International Financial Statistics
M1 comprises notes and coins in circulation outside banking corporations and demand and savings deposits of households, nonfinancial corporations, local governments, securities companies, Tanshi companies, and some other financial corporations such as securities finance companies with banking corporations in national currency. The banking corporations surveyed comprise the BOJ, domestically licensed banks (excluding Japan Post Bank), foreign-owned banks in Japan, Shinkin Central Bank, Shinkin banks, Norinchukin Bank, and Shoko Chukin Bank. Beginning in April 2003, M1 comprises notes and coins in circulation outside depository corporations and demand and savings deposits of households, nonfinancial corporations, local governments, and some other financial corporations such as securities finance companies with depository corporations in national currency. The depository corporations surveyed comprise the above-mentioned "banking corporations", Japan Post Bank, Shinkumi Federation Bank, Shinkumi banks, Rokinren Bank, labor banks, Prefectural Credit Federations of Agricultural Cooperatives, agricultural cooperatives, Prefectural Credit Federations of Fishery Cooperatives, and fishery coops.
International Monetary Fund, M1 for Japan [MYAGM1JPM189N], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/MYAGM1JPM189N, January 18, 2018.