Year % of total population ages 15-64 (modeled ILO estimate) 1991 64.78604420434888 1992 65.10921776620744 1993 65.51011727934416 1994 65.79076853276446 1995 66.0643705628018 1996 65.6013686753734 1997 66.44665634088189 1998 66.65646803238491 1999 66.71007325469857 2000 66.56842129256204 2001 66.65560879160887 2002 66.77909069355442 2003 67.04444074066731 2004 67.63026319916723 2005 68.00550971630493 2006 68.30245235247374 2007 68.23526481001207 2008 68.1766215142569 2009 68.48342050447177 2010 68.00944736848601 2011 67.73481032858724 2012 68.24824041801237 2013 68.08082108704983 2014 67.91901503179254 2015 68.06636264200058 2016 68.14013317250097 2017 68.35614056063665 2018 68.58860691127292 2019 68.7824627875849 2020 64.75099415961789 2021 67.37421544986306 2022 68.19359341634657