National tables: age and sex. Values Persons 18 to 49 years by sex, age group 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; From 18 to 29 years of age;7,679.9;1,287.5;2,915.8;1,171.8;1,032.6;805.6;395.5;71.0; From 30 to 39 years of age;7,043.6;706.7;2,788.9;1,461.4;673.7;912.8;420.1;80.0; From 40 to 49 years of age;6,036.1;549.1;2,253.1;1,386.2;402.3;767.1;588.7;89.5; Males; Total;10,532.1;1,095.9;4,559.1;1,555.1;1,028.0;1,380.7;761.5;151.8; From 18 to 29 years of age;3,932.5;564.0;1,635.8;476.3;494.8;485.1;243.4;33.2; From 30 to 39 years of age;3,584.4;318.1;1,619.4;591.7;298.4;472.8;222.0;61.9; From 40 to 49 years of age;3,015.2;213.8;1,303.9;487.1;234.8;422.8;296.0;56.7; Females; Total;10,227.5;1,447.4;3,398.7;2,464.3;1,080.7;1,104.9;642.8;88.7; From 18 to 29 years of age;3,747.4;723.5;1,280.0;695.5;537.8;320.5;152.1;37.8; From 30 to 39 years of age;3,459.2;388.6;1,169.5;869.7;375.3;440.0;198.0;18.0; From 40 to 49 years of age;3,020.9;335.3;949.2;899.1;167.5;344.4;292.7;32.9; 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