Lower secondary school starting age in Sao Tome and Principe

Period	Value	Change
2023	12 years	0 years
2022	12 years	0 years
2021	12 years	0 years
2020	12 years	0 years
2019	12 years	0 years
2018	12 years	0 years
2017	12 years	0 years
2016	12 years	0 years
2015	12 years	0 years
2014	12 years	0 years
2013	12 years	0 years
2012	12 years	0 years
2011	12 years	0 years
2010	12 years	0 years
2009	12 years	0 years
2008	12 years	0 years
2007	12 years	0 years
2006	12 years	-1 years
2005	13 years	0 years
2004	13 years	0 years
2003	13 years	0 years
2002	13 years	0 years
2001	13 years	0 years
2000	13 years	0 years
1999	13 years	+2 years
1998	11 years	0 years
1997	11 years	0 years
1996	11 years	0 years
1995	11 years	0 years
1994	11 years	0 years
1993	11 years	0 years
1992	11 years	0 years
1991	11 years	0 years
1990	11 years	0 years
1989	11 years	0 years
1988	11 years	0 years
1987	11 years	0 years
1986	11 years	0 years
1985	11 years	0 years
1984	11 years	0 years
1983	11 years	0 years
1982	11 years	0 years
1981	11 years	0 years
1980	11 years	0 years
1979	11 years	0 years
1978	11 years	0 years
1977	11 years	0 years
1976	11 years	0 years
1975	11 years	0 years
1974	11 years	0 years
1973	11 years	0 years
1972	11 years	0 years
1971	11 years	0 years
1970	11 years