Year % of working-age population 1960 68.34522703610114 1961 69.49766538864094 1962 70.44680718081418 1963 71.3170022497705 1964 72.53588513654961 1965 73.77872131919545 1966 74.87256977370639 1967 75.98323620655731 1968 77.0938744670906 1969 78.17963534891405 1970 79.24063052226597 1971 80.28295370260278 1972 81.27247920547964 1973 82.19005935003464 1974 83.0313204967951 1975 83.78858568029605 1976 84.6404181107148 1977 85.60012916681215 1978 86.3438527236973 1979 86.97924750931897 1980 87.06525289987395 1981 86.91096193047991 1982 88.30221639255754 1983 90.0555712045329 1984 90.6975048245393 1985 91.0524593223224 1986 91.3963046722334 1987 91.74478479573867 1988 92.1316655377325 1989 92.4917895495171 1990 92.72897331271707 1991 92.87814351514649 1992 92.91220913360067 1993 92.76840410308397 1994 92.4554371150375 1995 91.97668266860927 1996 91.28020767948351 1997 90.37827873139919 1998 89.46990623889117 1999 88.69352543708735 2000 87.9551820006611 2001 87.14252597574215 2002 86.27865830166287 2003 85.5091958606846 2004 84.8855341235248 2005 84.36374004693444 2006 83.91466035966347 2007 83.46578900713175 2008 83.0304669215935 2009 82.66685117349562 2010 82.37585015383037 2011 82.14933616830677 2012 81.93166226179083 2013 81.64919732858968 2014 81.00659767931472 2015 80.26446827157227 2016 79.81766971112347 2017 79.5412063219953 2018 79.18741516404735 2019 78.64095746348504 2020 78.01399183095945 2021 77.33220168029837 2022 76.5788938361662 2023 75.73282794185091