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This indicator is calculated as the rate between the number of persons aged
15 years and over at specific time who are literate (able to read, write and

understand a simple sentence in the national language, ethnic or foreign language)
and the total population aged 15 years and over at that time.

Literate population
Rate of literate population aged 15 years and over
aged 15 years and over (%) = Total population × 100
aged 15 years and over

Number of marriages: Marriage means a marriage between a man and a
woman according to the provisions of the Marriage and Family Law regarding

conditions of marriage and marriage registration.
Men and women getting married must comply with the following conditions:

a) Man is from 20 years of age or older, woman is from 18 years old
or older;

b) The marriage is voluntarily decided by men and women;

c) Do not lose civil act capacity;

d) Marriage does not fall into one of the circumstances where marriage is
prohibited under the Law on Marriage and Family.
Singulate mean age at marriage (SMAM): Singulate mean age at marriage

of the population is the average number of years of single person in their whole
life, if this generation has proportion of single age as the proportion of single
person collected at the survey time point.

In order to have an overall view on the age of starting a married life of the
population, when calculating the singulate mean age at marriage, the statistical
agency not only identifies married persons who are married as stipulated by the
Law on Marriage and Family but also identifies married persons who satisfy
conditions as stipulated by the Law on Marriage and Family but have not been
certificated; those who are married but do not satisfy conditions as stipulated by
the Law on Marriage and Family; those who are child mariage; and those who
cohabit with the opposite sex.

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