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

;Total;Old parents or relatives;Siblings or friends;Partner;Professionals;Various support;Nobody;No data recorded;
Both sexes;
    Total;20,759.6;2,543.3;7,957.8;4,019.4;2,108.7;2,485.6;1,404.2;240.5;
    Lower than secondary education;8,559.1;1,004.3;2,990.4;2,081.4;649.7;832.7;891.3;109.3;
    Secondary education;7,807.3;1,006.9;3,038.2;1,348.0;959.2;972.0;383.7;99.3;
    University;4,393.2;532.1;1,929.3;590.0;499.8;680.8;129.2;31.9;
Males;
    Total;10,532.1;1,095.9;4,559.1;1,555.1;1,028.0;1,380.7;761.5;151.8;
    Lower than secondary education;4,530.4;503.2;1,801.3;828.8;318.9;506.8;493.3;78.0;
    Secondary education;4,058.5;407.1;1,788.4;533.8;511.0;552.9;201.9;63.4;
    University;1,943.3;185.7;969.3;192.5;198.1;321.0;66.3;10.4;
Females;
    Total;10,227.5;1,447.4;3,398.7;2,464.3;1,080.7;1,104.9;642.8;88.7;
    Lower than secondary education;4,028.7;501.1;1,189.0;1,252.6;330.8;325.9;398.0;31.3;
    Secondary education;3,748.8;599.8;1,249.7;814.2;448.2;419.1;181.8;35.9;
    University;2,449.9;346.5;959.9;397.5;301.7;359.8;63.0;21.5;
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