Year % of working-age population 1960 78.46128721794015 1961 78.79532156135305 1962 79.21217744764635 1963 79.77815837518581 1964 80.49072162224269 1965 81.19652946344354 1966 81.82758680436054 1967 82.42699421980926 1968 82.981132054989 1969 83.52090735093363 1970 84.07683340551048 1971 84.66963854608935 1972 85.32481892454823 1973 85.96267132234397 1974 86.51937486197333 1975 87.05481966524063 1976 87.55913942696226 1977 87.97226788033834 1978 88.2904541299892 1979 88.60423243429797 1980 88.95357227140234 1981 89.31555210622706 1982 89.6479008131295 1983 89.95678365492692 1984 90.25621072312764 1985 90.50008918859031 1986 90.67287118466916 1987 90.7326027818477 1988 90.61828518675976 1989 90.44997233855847 1990 90.28489936878601 1991 90.04555023533587 1992 89.78040042303839 1993 89.58305075787342 1994 89.1249212183362 1995 88.65110295088307 1996 88.53685005083925 1997 88.46555174468483 1998 88.23744073323319 1999 87.93955747576341 2000 87.69336178116664 2001 87.48144947582131 2002 87.32424480159402 2003 87.16909270223434 2004 86.96869394035066 2005 86.74966017243086 2006 86.57972444686489 2007 86.53504994336022 2008 86.44181382078828 2009 86.25639386998523 2010 86.09364867223444 2011 85.87769091324509 2012 85.64594570107332 2013 85.39128706019736 2014 85.03252895202789 2015 84.6137678683388 2016 84.11618465532858 2017 83.51542457990921 2018 82.83890629613813 2019 82.08383659995967 2020 81.2560705918346 2021 80.40779276991918 2022 79.54095626599981 2023 78.61525806004579