Year Age 1950 19.776 1955 19.061 1960 18.34 1965 17.96 1970 17.765 1975 17.526 1980 17.564 1985 17.451 1990 17.672 1995 18.405 2000 18.705 2005 19.432 2010 20.453 2015 21.329 2020 22.183 2025 22.962 2030 23.713 2035 24.582 2040 25.838 2045 27.228 2050 28.667 2055 30.104 2060 31.489 2065 32.821 2070 34.093 2075 35.33 2080 36.547 2085 37.703 2090 38.795 2095 39.811 2100 40.733