Population and Housing Censuses  
National Results
Buildings mainly or exclusively for housing and no. of dwellings by year of construction (aggregate)and by condition of the building
Units: buildings and no. of dwellings

;Total;;Before 1900;;From 1900 to 1920;;From 1921 to 1940;;From 1941 to 1950;;From 1951 to 1960;;From 1961 to 1970;;From 1971 to 1980;;From 1981 to 1990;;From 1991 to 2001;;From 2002 to 2011;;
;buildings;dwellings;buildings;dwellings;buildings;dwellings;buildings;dwellings;buildings;dwellings;buildings;dwellings;buildings;dwellings;buildings;dwellings;buildings;dwellings;buildings;dwellings;buildings;dwellings;
Total;9,730,999;25,849,338;793,401;1,148,908;366,416;638,296;431,216;808,587;481,269;889,512;863,630;1,966,960;1,052,009;3,840,110;1,495,132;5,359,194;1,360,191;3,326,594;1,417,202;3,539,915;1,470,533;4,331,262;
In ruins;55,187;95,845;23,441;33,451;7,477;13,478;6,271;12,082;5,139;9,443;4,996;10,163;3,215;7,792;3,066;6,378;1,582;3,058;..;..;..;..;
Poor;171,588;303,963;57,124;79,000;22,160;37,154;22,026;37,076;19,270;31,754;20,513;41,439;13,358;35,908;8,902;23,800;3,254;6,616;2,765;7,948;2,216;3,268;
Deficient;736,551;1,515,996;170,260;239,050;73,036;122,643;81,597;145,170;82,733;143,618;109,397;240,219;88,179;280,901;68,248;201,388;30,399;68,776;18,680;48,665;14,022;25,566;
Good;8,767,673;23,933,534;542,576;797,407;263,743;465,021;321,322;614,259;374,127;704,697;728,724;1,675,139;947,257;3,515,509;1,414,916;5,127,628;1,324,956;3,248,144;1,395,757;3,483,302;1,454,295;4,302,428;
Notes:
Source: National statistics Institute