15.Niigata.ken, Life expectancy at birth (period, 1x10) Last modified:2023-12-05, ver.004_004 JMD(IPSS) Year Female Male Total 1947-1949 55.31 52.08 53.71 1950-1959 65.22 61.38 63.31 1960-1969 71.96 66.96 69.45 1970-1979 76.49 70.97 73.78 1980-1989 80.57 74.84 77.77 1990-1999 83.51 76.84 80.28 2000-2009 86.01 78.69 82.44 2010-2019 87.13 80.40 83.82 2020-2022 87.53 81.32 84.45