National tables: studies, age and sex. Values
Persons 18 to 49 years who have had sexual relationships at some time   in their life by sex, age group, studies and initial age at first  relationship.
Units: thousands of persons

	Total	Under 16 years of age	From 16 to 17 years of age	From 18 to 19 years of age	20 years old or above	No data recorded	
Both sexes	
    Total	
        Total	19,524.0	2,148.3	4,912.1	5,241.8	5,294.0	1,927.8	
        Lower than secondary education	8,126.2	1,092.0	2,122.0	2,090.5	1,677.4	1,144.3	
        Secondary education	7,248.4	786.0	2,082.3	2,094.6	1,790.4	495.1	
        University	4,149.4	270.2	707.8	1,056.7	1,826.2	288.5	
    From 18 to 29 years of age	
        Total	6,746.8	952.4	2,162.6	1,887.1	1,313.7	431.1	
        Lower than secondary education	2,365.1	447.0	854.9	602.9	245.9	214.4	
        Secondary education	3,055.0	403.9	1,022.7	924.9	548.9	154.5	
        University	1,326.7	101.4	285.0	359.3	518.9	62.2	
    From 30 to 39 years of age	
        Total	6,851.4	706.2	1,625.6	1,821.5	1,946.7	751.4	
        Lower than secondary education	2,817.9	361.9	728.6	735.5	559.6	432.4	
        Secondary education	2,409.3	248.4	652.5	664.4	652.6	191.3	
        University	1,624.2	96.0	244.5	421.6	734.5	127.6	
    From 40 to 49 years of age	
        Total	5,925.8	489.7	1,124.0	1,533.1	2,033.6	745.4	
        Lower than secondary education	2,943.2	283.2	538.5	752.1	872.0	497.4	
        Secondary education	1,784.0	133.6	407.1	505.3	588.8	149.3	
        University	1,198.5	72.9	178.4	275.8	572.8	98.7	
Males	
    Total	
        Total	9,967.8	1,454.5	2,862.5	2,545.5	2,169.9	935.4	
        Lower than secondary education	4,292.8	745.5	1,270.7	1,026.4	665.7	584.5	
        Secondary education	3,815.0	528.3	1,219.6	1,031.9	814.9	220.3	
        University	1,860.1	180.8	372.2	487.2	689.3	130.6	
    From 18 to 29 years of age	
        Total	3,516.4	611.1	1,216.9	934.4	563.1	191.0	
        Lower than secondary education	1,381.0	304.1	528.5	334.6	114.2	99.5	
        Secondary education	1,595.2	240.0	563.8	443.0	277.4	70.9	
        University	540.2	67.0	124.5	156.8	171.4	20.5	
    From 30 to 39 years of age	
        Total	3,493.0	501.2	939.5	841.6	812.5	398.3	
        Lower than secondary education	1,504.4	245.2	429.0	344.9	240.8	244.5	
        Secondary education	1,271.3	184.8	391.1	308.9	292.8	93.7	
        University	717.3	71.2	119.4	187.8	278.9	60.1	
    From 40 to 49 years of age	
        Total	2,958.3	342.3	706.1	769.5	794.4	346.1	
        Lower than secondary education	1,407.4	196.1	313.2	346.9	310.7	240.5	
        Secondary education	948.4	103.5	264.6	280.0	244.7	55.6	
        University	602.6	42.6	128.4	142.6	239.0	50.0	
Females	
    Total	
        Total	9,556.2	693.8	2,049.6	2,696.3	3,124.1	992.5	
        Lower than secondary education	3,833.4	346.6	851.3	1,064.1	1,011.7	559.8	
        Secondary education	3,433.4	257.7	862.7	1,062.7	975.4	274.8	
        University	2,289.3	89.5	335.6	569.5	1,136.9	157.8	
    From 18 to 29 years of age	
        Total	3,230.4	341.3	945.7	952.7	750.6	240.1	
        Lower than secondary education	984.1	142.9	326.3	268.3	131.7	114.9	
        Secondary education	1,459.8	164.0	458.9	481.9	271.5	83.6	
        University	786.5	34.4	160.5	202.5	347.4	41.6	
    From 30 to 39 years of age	
        Total	3,358.4	205.1	686.1	979.9	1,134.2	353.1	
        Lower than secondary education	1,313.5	116.6	299.6	390.6	318.8	188.0	
        Secondary education	1,138.0	63.7	261.4	355.5	359.9	97.6	
        University	906.9	24.8	125.1	233.8	455.6	67.5	
    From 40 to 49 years of age	
        Total	2,967.4	147.4	417.9	763.7	1,239.2	399.3	
        Lower than secondary education	1,535.8	87.1	225.4	405.2	561.2	257.0	
        Secondary education	835.6	30.1	142.5	225.3	344.1	93.6	
        University	596.0	30.3	50.0	133.1	333.9	48.7	
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