Year % of working-age population 1960 74.1008252141655 1961 74.25882689215403 1962 74.60829674457887 1963 75.45919348746959 1964 76.72235248653983 1965 77.97806816260476 1966 79.1784061626373 1967 80.34471990746302 1968 81.46689072300339 1969 82.54264846584003 1970 83.55099420105263 1971 84.55098939472323 1972 85.53949400853408 1973 86.48787712727943 1974 87.39421956246437 1975 88.28260223438292 1976 89.16519507524501 1977 89.99646157103285 1978 90.86066324142715 1979 91.78924476133676 1980 92.68713778930997 1981 93.57041445039978 1982 94.44454181963424 1983 95.2306911427936 1984 96.00437044502983 1985 96.8825958981564 1986 97.87494512398423 1987 98.90304962062197 1988 99.82779748929386 1989 100.58555001382301 1990 101.1753454390675 1991 101.74125296712685 1992 102.18170022475034 1993 102.29128077774648 1994 102.11721980606372 1995 101.7796815965156 1996 101.43042944934204 1997 101.0070686825379 1998 100.2457246678784 1999 99.19957844188265 2000 98.067164447787 2001 96.88431401290428 2002 95.72001725993162 2003 94.69961438374914 2004 93.85890433928333 2005 93.2062503794193 2006 92.82909121472049 2007 92.76805393559252 2008 92.96573905981819 2009 93.2522580537611 2010 93.52384675865733 2011 93.71071567247489 2012 93.7327591671874 2013 93.62027393187724 2014 93.34261428515336 2015 92.89558988036013 2016 92.28094977452088 2017 91.51407753440563 2018 90.67659835359325 2019 89.76688485284117 2020 88.67545390766077 2021 87.3998522893873 2022 86.06869662080797 2023 84.69815099162675