Year % of working-age population 1960 80.77178740973491 1961 81.1126364407664 1962 81.54033543744116 1963 82.14241988256168 1964 82.99828191041208 1965 83.75833034410573 1966 84.29758654638324 1967 84.81127888385257 1968 85.30226484728949 1969 85.78586229019221 1970 86.23415276920683 1971 86.68317848542495 1972 87.15722455878408 1973 87.62621446633011 1974 88.11227963420662 1975 88.62823547289946 1976 89.12143737502805 1977 89.60028250018262 1978 90.14442098156321 1979 90.72913385928383 1980 91.35581763563269 1981 92.00643897836181 1982 92.60908186558139 1983 93.27377603735626 1984 94.03153790589774 1985 94.71610663149464 1986 95.21280460537133 1987 95.48401379566337 1988 95.41142221832526 1989 95.18961368892084 1990 94.97923584693471 1991 94.6595715949776 1992 94.20722712292384 1993 93.66719506882826 1994 93.09939328926197 1995 92.48430749658264 1996 91.8880110669225 1997 91.35947144740219 1998 90.81314497880628 1999 90.34740043022184 2000 90.05110940078664 2001 89.90287824147627 2002 89.79983671237925 2003 89.66466799140177 2004 89.53321663333334 2005 89.46763459904041 2006 89.4819815263521 2007 89.51298118062053 2008 89.54484034108661 2009 89.58035546302935 2010 89.62187539227297 2011 89.67642969156007 2012 89.7508089567928 2013 89.73951748204158 2014 89.53320347370702 2015 89.20948400602403 2016 88.79488934102346 2017 88.26898152339533 2018 87.67696563562363 2019 87.04130960817858 2020 86.30692026557254 2021 85.49545095728281 2022 84.65323771235751 2023 83.75518355941516