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