15.Niigata.ken, Life expectancy at birth (period, 1x10) Last modified:2022-09-01, ver.004_002 JMD(IPSS) Year Female Male Total 1975-1979 77.62 72.10 74.92 1980-1989 80.58 74.77 77.78 1990-1999 83.53 76.86 80.30 2000-2009 86.02 78.70 82.44 2010-2019 87.13 80.41 83.82 2020-2020 87.79 81.54 84.71