01. Households, persons and average size of the household
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Units: Number

	Households	Persons	Average size of the household	
Total	14,865,707	43,106,664	2.90	
Without studies and illiterates	1,734,693	4,088,548	2.36	
Primary education	4,778,041	13,132,145	2.75	
Secondary education, first cycle	3,020,329	9,696,055	3.21	
Secondary education, second cycle	2,332,737	7,173,612	3.08	
Higher non-university studies	711,082	2,148,061	3.02	
University studies, first cycle	900,296	2,605,673	2.89	
University studies, 2nd and 3rd cycle	1,341,879	4,118,209	3.07	
Notes:
1) The category 'Special education and adult education' included in the  'Total' does not appear due to lack of representation
Source: National Statistics Institute