Year Age 1950 28.019 1955 28.482 1960 28.602 1965 28.492 1970 28.551 1975 29.393 1980 31.275 1985 33.107 1990 34.564 1995 36.008 2000 37.526 2005 39.046 2010 40.797 2015 42.07 2020 43.198 2025 43.855 2030 44.474 2035 45.209 2040 45.893 2045 46.379 2050 46.79 2055 46.96 2060 46.892 2065 46.904 2070 47.15 2075 47.537 2080 47.915 2085 48.187 2090 48.349 2095 48.475 2100 48.666