Why would contries have a low percentage of children

The social structure, religious beliefs, economic prosperity and urbanisation within each country are likely to affect birth rates.

Answer steam fog;

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!