stage 1, stage 2, stage 3, stage 4, stage 5, high birth rate and high death rate, high birth rate, falling death rate, low death rate, falling birth rate, low death rate, low birth rate, low birth rate, increasing death rate, Niger, Afghanistan, Brazil, UK, Russia.

Demographic Transition Model

由
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?