15.Niigata.ken, Life expectancy at birth (period, 1x5c) Last modified:2022-12-12, ver.004_003 JMD(IPSS) Year Female Male Total 1975-1977 77.21 71.64 74.49 1978-1982 78.80 73.30 76.13 1983-1987 80.83 74.84 77.94 1988-1992 82.25 76.29 79.39 1993-1997 83.56 76.94 80.37 1998-2002 85.06 77.68 81.46 2003-2007 86.03 78.68 82.44 2008-2012 86.86 79.65 83.32 2013-2017 87.17 80.62 83.96 2018-2021 87.51 81.21 84.40