A home is considered overcrowded if it does not have at least one room for the entire household; as well as a room for a couple; for each single person above 18; for a pair of teenagers, 12 to 17 years of age, of the same gender; for each teenager of a different gender; and for a pair of children under 12 years of age.
The 2020 data shows the home overcrowding rate stood at 15.2% in the Czech Republic, 36.9% in Poland and 30.1% in Slovakia.