Postal Life Insurance (FY 1928) : Statistical Yearbook of Imperial Japan 49 (1930) Table 129

PERIOD: FY 1919-FY 1928. By type of insurance and region in FY 1928. Numbers of insured by occupation at the end of FY 1920, FY 1923 and FY 1926. Investment of reserve funds by type of loan business from the end of FY1924 to the end of FY1928. NOTE: (Value in thousands of yen). SOURCE: Annual Report of Bureau of Post Office Life Insurance.

期间：1919财年至1928财年。按保险类型和1928财年区域分类。1920财年、1923财年及1926财年年末按职业分类的投保人数。1924财年至1928财年年末，按贷款业务类型对储备基金的投资。注：（数值以千日元为单位）。资料来源：邮政人寿保险局年度报告。