Year % of working-age population 1960 84.1225179323832 1961 84.67967557404228 1962 85.28780677364807 1963 85.98824699989702 1964 86.7555195654149 1965 87.44363651128342 1966 88.03055432678431 1967 88.56509703860183 1968 89.03759762512179 1969 89.46983487838804 1970 89.87612499919473 1971 90.30665624766723 1972 90.73853798894056 1973 91.06616677851214 1974 91.27416238686409 1975 91.38039593930348 1976 91.44810004597444 1977 91.50930206516882 1978 91.57517312834072 1979 91.65004964996368 1980 91.65428096294418 1981 91.63599898661464 1982 91.66802976044514 1983 91.74565420945255 1984 91.87940116038438 1985 91.9755865896678 1986 91.97625109599522 1987 91.92356247256846 1988 91.79822390085766 1989 91.64551126553062 1990 91.47482160411826 1991 91.22083567519174 1992 90.98591038613218 1993 90.73634570675857 1994 90.24309245394682 1995 89.62745772022072 1996 89.0698132289366 1997 88.4821726906367 1998 87.74264917366467 1999 86.96802826002349 2000 86.20662381228625 2001 85.46626760684921 2002 84.86330257628958 2003 84.31443270438162 2004 83.72525608074332 2005 83.12954413027859 2006 82.55627604647225 2007 82.05442497368509 2008 81.61110874204942 2009 81.14374280846023 2010 80.64757759467169 2011 80.15339786511922 2012 79.7415056331813 2013 79.408251384769 2014 79.03251921177343 2015 78.60083323800175 2016 78.09243432786312 2017 77.49600102117338 2018 76.85519677628022 2019 76.19277595805697 2020 75.4790561998029 2021 74.73372882179135 2022 73.98934591033965 2023 73.23119063021595