15.Niigata.ken, Life expectancy at birth (period, 1x5) Last modified:2022-09-01, ver.004_002 JMD(IPSS) Year Female Male Total 1975-1979 77.62 72.10 74.92 1980-1984 79.62 73.93 76.87 1985-1989 81.46 75.60 78.65 1990-1994 82.82 76.52 79.79 1995-1999 84.17 77.17 80.77 2000-2004 85.55 78.21 81.97 2005-2009 86.47 79.18 82.90 2010-2014 86.89 79.91 83.46 2015-2019 87.36 80.92 84.19 2020-2020 87.79 81.54 84.71