10.Gumma.ken, Life expectancy at birth (period, 1x5c) Last modified:2022-09-01, ver.004_002 JMD(IPSS) Year Female Male Total 1975-1977 76.76 71.79 74.31 1978-1982 78.43 73.57 76.04 1983-1987 80.26 75.06 77.72 1988-1992 81.73 76.23 79.06 1993-1997 83.06 77.00 80.10 1998-2002 84.32 77.78 81.11 2003-2007 85.36 78.76 82.11 2008-2012 85.98 79.45 82.74 2013-2017 86.73 80.43 83.58 2018-2020 87.06 81.17 84.11