National tables: studies, age and sex. Values
Persons 18 to 49 years by sex, studies and preferred source of  sexual information.
Units: thousands of persons

;Total;Old parents or relatives;Siblings or friends;Partner;Professionals;Various support;No data recorded;
Both sexes;
    Total;20,759.6;10,771.8;2,568.9;1,033.9;5,225.5;703.6;456.0;
    Lower than secondary education;8,559.1;4,719.4;1,077.3;572.5;1,692.1;282.2;215.6;
    Secondary education;7,807.3;3,952.6;991.8;333.9;2,160.8;235.0;133.2;
    University;4,393.2;2,099.7;499.7;127.5;1,372.7;186.4;107.1;
Males;
    Total;10,532.1;4,854.9;1,656.9;580.2;2,769.8;376.4;293.9;
    Lower than secondary education;4,530.4;2,184.5;758.5;307.9;943.6;187.3;148.5;
    Secondary education;4,058.5;1,835.6;630.4;211.5;1,189.4;107.5;84.1;
    University;1,943.3;834.8;268.0;60.8;636.9;81.6;61.3;
Females;
    Total;10,227.5;5,916.9;911.9;453.7;2,455.7;327.2;162.0;
    Lower than secondary education;4,028.7;2,534.9;318.8;264.5;748.5;94.9;67.1;
    Secondary education;3,748.8;2,117.0;361.4;122.4;971.4;127.5;49.1;
    University;2,449.9;1,265.0;231.8;66.8;735.9;104.8;45.8;
Notes:
Data corresponding to cells with less than 45,000 persons must be used with  caution, because they may be affected by high sample errors.
Source: National Statistics Institute