Year % of working-age population 1960 83.6687052324592 1961 83.93699245709216 1962 84.24399409723641 1963 84.6131400872106 1964 84.99451225216237 1965 85.39850909838815 1966 85.83368783327008 1967 86.25177430247435 1968 86.64721320293994 1969 87.03848929363882 1970 87.46912583693052 1971 87.9048856239779 1972 88.31685585224595 1973 88.61262089959392 1974 88.74509321657924 1975 88.84068211513447 1976 88.99376819273756 1977 89.08831101960071 1978 89.03290392338464 1979 88.9804601128084 1980 88.88297324413324 1981 88.8322117328851 1982 88.85005200851572 1983 88.73844917158574 1984 88.5167941813169 1985 88.29726272227676 1986 88.1423026083643 1987 88.1289935351393 1988 88.23648791604413 1989 88.33499854412558 1990 88.4030913141366 1991 88.47447139914745 1992 88.57091583732904 1993 88.69588068801599 1994 88.40633296170837 1995 87.95256649378845 1996 87.82582169241542 1997 87.62389609832313 1998 87.1184592597832 1999 86.45216251151852 2000 85.76893056165065 2001 85.04793355428696 2002 84.34258320039143 2003 83.69334483274953 2004 83.09715094138065 2005 82.5817085786381 2006 82.12385217939861 2007 81.70542241793925 2008 81.33814486548039 2009 80.99046997218778 2010 80.60920519373792 2011 80.19247528205209 2012 79.77784728724674 2013 79.35277928252573 2014 78.87491289361408 2015 78.31196929719505 2016 77.79838643587796 2017 77.29702427330493 2018 76.69067933266996 2019 76.02856400281127 2020 75.31086155386349 2021 74.56514897259308 2022 73.79999002631713 2023 72.97897091389122