Year Age 1950 20.256 1955 19.508 1960 18.89 1965 18.287 1970 18.009 1975 17.995 1980 18.031 1985 18.233 1990 18.698 1995 19.277 2000 19.79 2005 20.378 2010 20.943 2015 21.667 2020 22.578 2025 23.579 2030 24.587 2035 25.612 2040 26.588 2045 27.531 2050 28.464 2055 29.387 2060 30.314 2065 31.248 2070 32.156 2075 33.041 2080 33.9 2085 34.742 2090 35.586 2095 36.423 2100 37.247