15.Niigata.ken, Life expectancy at birth (period, 1x10) Last modified:2022-12-12, ver.004_003 JMD(IPSS) Year Female Male Total 1975-1979 77.61 72.08 74.91 1980-1989 80.56 74.76 77.76 1990-1999 83.51 76.84 80.28 2000-2009 86.01 78.68 82.43 2010-2019 87.12 80.40 83.81 2020-2021 87.66 81.41 84.57