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