15.Niigata.ken, Life expectancy at birth (period, 1x5) Last modified:2023-12-05, ver.004_004 JMD(IPSS) Year Female Male Total 1947-1949 55.31 52.08 53.71 1950-1954 63.08 59.61 61.37 1955-1959 67.71 63.41 65.57 1960-1964 70.85 65.99 68.44 1965-1969 73.09 67.88 70.49 1970-1974 75.31 69.85 72.61 1975-1979 77.61 72.08 74.91 1980-1984 79.61 73.91 76.85 1985-1989 81.44 75.58 78.63 1990-1994 82.80 76.51 79.77 1995-1999 84.15 77.15 80.75 2000-2004 85.53 78.19 81.96 2005-2009 86.46 79.17 82.90 2010-2014 86.89 79.91 83.45 2015-2019 87.36 80.91 84.19 2020-2022 87.53 81.32 84.45