15.Niigata.ken, Life expectancy at birth (period, 1x5) Last modified:2025-04-30, ver.005_001 JMD(IPSS) Year Female Male Total 1947-1949 55.32 52.10 53.72 1950-1954 63.08 59.61 61.38 1955-1959 67.71 63.41 65.57 1960-1964 70.85 66.00 68.45 1965-1969 73.10 67.89 70.50 1970-1974 75.32 69.86 72.62 1975-1979 77.62 72.10 74.93 1980-1984 79.63 73.93 76.87 1985-1989 81.46 75.60 78.65 1990-1994 82.82 76.52 79.79 1995-1999 84.17 77.17 80.77 2000-2004 85.55 78.21 81.98 2005-2009 86.49 79.18 82.92 2010-2014 86.91 79.92 83.47 2015-2019 87.38 80.92 84.20 2020-2023 87.48 81.21 84.35