Population and Housing Censuses National results Main dwellings according to tenancy regime by average age of the household Units: main dwellings ;Total (tenancy regime);Owned, via purchase, paid in full;Owned, by purchase, with pending payments (mortgages);Owned by inheritance or as a gift;Rented;Transferred for free or at a low price (by another household, paid for by the company...);Other way; Total (average age of the household);18,083,692;7,026,578;5,940,928;1,307,481;2,438,574;430,516;939,614; Below 31 years old;4,824,380;623,168;2,628,249;157,638;1,029,627;152,832;232,865; From 31 to 45 years old;5,413,488;1,577,913;2,311,524;303,528;805,818;135,559;279,145; From 46 to 65 years old;4,232,465;2,257,193;830,143;446,546;372,725;75,571;250,288; Over 65 years old;3,613,360;2,568,304;171,012;399,770;230,404;66,554;177,316; Notes: Source: National Statistics Institute