Poverty is factor in population growth in these areas. In poorer countries, having many children is an important asset. They have to work in the fields, take care of their siblings, and, when they become adults, provide support for their parents' old age. About half of the world's population is under age 25, and the majority live in developing countries. As those billions of young people start their own families, billions more people will be added to the world's population.
[英語から日本語への翻訳依頼] これらの地域における人口増加の一つの要因として貧困が挙げられます。貧困国では多くの子供を持つことは重要な資産となるのです。子供たちは畑で働き、兄弟の世話を...
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