Level of studies completed by the main breadwinner	Average size of household	Total
Total	Households	14,865,707
Total	Persons	43,106,664
Total	Average size of the household	2.90
Without studies and illiterates	Households	1,734,693
Without studies and illiterates	Persons	4,088,548
Without studies and illiterates	Average size of the household	2.36
Primary education	Households	4,778,041
Primary education	Persons	13,132,145
Primary education	Average size of the household	2.75
Secondary education, first cycle	Households	3,020,329
Secondary education, first cycle	Persons	9,696,055
Secondary education, first cycle	Average size of the household	3.21
Secondary education, second cycle	Households	2,332,737
Secondary education, second cycle	Persons	7,173,612
Secondary education, second cycle	Average size of the household	3.08
Higher non-university studies	Households	711,082
Higher non-university studies	Persons	2,148,061
Higher non-university studies	Average size of the household	3.02
University studies, first cycle	Households	900,296
University studies, first cycle	Persons	2,605,673
University studies, first cycle	Average size of the household	2.89
University studies, 2nd and 3rd cycle	Households	1,341,879
University studies, 2nd and 3rd cycle	Persons	4,118,209
University studies, 2nd and 3rd cycle	Average size of the household	3.07