Population and Housing Censuses National results Dwellings according to type of dwelling and condition of the building Units: dwellings ;Total;In ruins;Bad;Deficient;Good;No data recorded; 2.1 Total main dwellings;18,083,692;38,043;126,538;833,953;16,530,004;555,155; 2.21 Secondary dwellings;3,681,565;10,237;32,832;207,400;3,366,428;64,667; 2.22 Empty dwellings;3,443,365;39,023;112,408;362,872;2,859,967;69,095; Notes: Source: National Statistics Institute