Year % of working-age population 1960 68.6700766621469 1961 68.95227608817481 1962 69.31868473532205 1963 69.81063944876772 1964 70.61690953298447 1965 71.21396519848754 1966 71.36330581106445 1967 71.51891843699163 1968 71.68570524870105 1969 71.89610800384395 1970 72.19607534888266 1971 72.60838078646906 1972 73.11996541763445 1973 73.70682338056001 1974 74.35615728819775 1975 75.05980711435295 1976 75.81148743524896 1977 76.60510607291988 1978 77.41834493769227 1979 78.22389919489581 1980 78.96401187385828 1981 79.59691396502963 1982 80.15115371380391 1983 80.6475666965699 1984 81.07211898305393 1985 81.4099180218081 1986 81.67709002954504 1987 81.9233546947992 1988 82.19423738851617 1989 82.5508715397487 1990 82.932903995875 1991 83.30738338288994 1992 83.75034566594563 1993 84.17935503723038 1994 84.5742872613664 1995 84.86992276926644 1996 85.10512533749734 1997 86.2159889033878 1998 87.36225851566111 1999 87.80371906613277 2000 88.50637445966728 2001 89.93139621170668 2002 90.72777742016302 2003 90.29754701049455 2004 89.92096117004641 2005 89.7201167477583 2006 89.34531534554326 2007 88.5894032446054 2008 87.68785309861265 2009 86.8194889570968 2010 85.98947199778564 2011 85.08873582113848 2012 84.12424699448559 2013 83.2190962058286 2014 82.31779282850326 2015 81.42477321933657 2016 80.6180758236893 2017 79.85107858713461 2018 79.0570915185694 2019 78.18381160547344 2020 77.2594470659471 2021 76.32344583922355 2022 75.34645886616032 2023 74.28245607728726