15.Niigata.ken, Life expectancy at birth (period, 1x10) Last modified:2025-04-30, ver.005_001 JMD(IPSS) Year Female Male Total 1947-1949 55.32 52.10 53.72 1950-1959 65.23 61.38 63.32 1960-1969 71.97 66.97 69.46 1970-1979 76.51 70.99 73.80 1980-1989 80.59 74.86 77.79 1990-1999 83.53 76.86 80.30 2000-2009 86.03 78.71 82.45 2010-2019 87.15 80.41 83.83 2020-2023 87.48 81.21 84.35