【文章标题】:Mapped: The Share of Each Country’s Population Under 18
【地图解析】各国18岁以下人口占比

【文章正文】:
Mapped: The Share of Each Country’s Population Under 18
【地图解析】各国18岁以下人口占比

The Central African Republic has the world’s highest share of population under 18, at 56.2%.
中非共和国以56.2%的18岁以下人口占比位居全球首位。

African countries account for 28 of the top 30 entries, reflecting the continent’s comparatively high fertility rates and young age structure.
非洲国家包揽前30名中的28席,反映出该大陆较高的生育率和年轻化人口结构。

Children make up less than 15% of the population in several East Asian economies, including South Korea, Japan, Taiwan, and Singapore.
韩国、日本、台湾地区和新加坡等东亚经济体的儿童占比不足15%。

This graphic, created by Iswardi Ishak, maps the share of each country’s population under age 18 in 2025, based on data from the UN Population Division Data Portal.
该图表由Iswardi Ishak制作,基于联合国人口司数据门户的2025年预测数据,可视化呈现各国18岁以下人口比例。

Africa Has the World’s Youngest Populations
非洲拥有全球最年轻的人口结构

The table below shows the share of children in national populations, according to the UN Population Division.
根据联合国人口司数据,下表展示各国儿童人口占比:

(以下表格内容采用中英对照格式呈现前20位示例)

RankCountry/Territory% of Children in Population (under 18)
1Central African Republic56.2
1中非共和国56.2%
2Niger53.3
2尼日尔53.3%
3Somalia53.0
3索马里53.0%
………
20Nigeria47.5
20尼日利亚47.5%

(完整表格延续相同中英对照格式,此处省略后续内容)

关键数据观察:

  • 前30名中28个非洲国家
  • 东亚地区占比最低(韩国12.3%、日本14.9%)
  • 全球平均儿童占比约30%

注:台湾地区数据标注遵循联合国统计规范

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