1) Japan has the third largest economy but faces challenges from an aging population and shrinking workforce. It has a high debt-to-GDP ratio and has relied on policies like lifetime employment and low interest rates. 2) The Financial Services Agency is Japan's primary financial regulator and is responsible for supervision of banks, insurance companies, and other financial institutions. 3) In addition to private banks, Japan has government financial institutions that promote specialized sectors. The postal savings system collects large deposits through post offices.