Lower secondary school starting age in Denmark

Period	Lower secondary starting age	Change
2023	13 years	0 years
2022	13 years	0 years
2021	13 years	0 years
2020	13 years	0 years
2019	13 years	0 years
2018	13 years	0 years
2017	13 years	0 years
2016	13 years	0 years
2015	13 years	0 years
2014	13 years	0 years
2013	13 years	0 years
2012	13 years	0 years
2011	13 years	0 years
2010	13 years	0 years
2009	13 years	0 years
2008	13 years	0 years
2007	13 years	0 years
2006	13 years	0 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	0 years
1998	13 years	0 years
1997	13 years	0 years
1996	13 years	0 years
1995	13 years	0 years
1994	13 years	0 years
1993	13 years	0 years
1992	13 years	0 years
1991	13 years	0 years
1990	13 years	0 years
1989	13 years	0 years
1988	13 years	0 years
1987	13 years	0 years
1986	13 years	0 years
1985	13 years	0 years
1984	13 years	0 years
1983	13 years	0 years
1982	13 years	0 years
1981	13 years	+1 years
1980	12 years	0 years
1979	12 years	0 years
1978	12 years	0 years
1977	12 years	0 years
1976	12 years	0 years
1975	12 years	0 years
1974	12 years	0 years
1973	12 years	0 years
1972	12 years	0 years
1971	12 years	0 years
1970	12 years