Housing conditions and energy efficiency
Households according to whether they have made improvements to thermal insulation or the heating system, by size of municipality.
Unidades: Horizontal percentages.

	Has made improvements to thermal insulation or the heating system	No improvements have been made and it is warm enough during the cold months	No improvements have been made and it is not warm enough during the cold months	
Total	14,1	60,8	25,1	
Fewer than 10,000 inhabitants	14,2	62,8	23	
Between 10,000 and 50,000 inhabitants	12,8	59,7	27,5	
Between 50,000 and 100,000 inhabitants	12,8	60,5	26,7	
Between 100,000 and 500,000 inhabitants	14,6	61	24,4	
More than 500,000 inhabitants	16,4	59,9	23,7	
Notas:
Fuente: Instituto Nacional de Estadística