15.Niigata.ken, Life expectancy at birth (period, 1x5c) Last modified:2025-04-30, ver.005_001 JMD(IPSS) Year Female Male Total 1947-1947 52.57 49.17 50.86 1948-1952 59.54 56.36 57.98 1953-1957 66.38 62.33 64.38 1958-1962 69.65 64.99 67.32 1963-1967 72.30 67.30 69.80 1968-1972 74.44 68.97 71.75 1973-1977 76.73 71.19 74.02 1978-1982 78.83 73.31 76.15 1983-1987 80.84 74.86 77.96 1988-1992 82.27 76.30 79.41 1993-1997 83.59 76.96 80.39 1998-2002 85.08 77.70 81.48 2003-2007 86.05 78.70 82.46 2008-2012 86.88 79.66 83.34 2013-2017 87.19 80.63 83.97 2018-2022 87.48 81.20 84.36 2023-2023 87.29 80.87 84.05