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