It is more common in rural than urban areas.

In 2021, 13.3 million babies, or about 10 percent of the total worldwide, were born to mothers under 20 years old.

Definition

The World Health Organization defines adolescence as the period between the ages of 10 and 19 years.

The mother's age is determined by the easily verified date when the pregnancy ends, not by the estimated date of conception. Consequently, the statistics do

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