Map: Population Density, Global Fertility, And GDP

To sustain themselves, many nations adopt policies to raise, lower, or maintain their population levels. And while a country's gross domestic product may often predict its stance, that's not always the case. Roll your mouse over the countries below to learn more about them:



Please keep your community civil. All comments must follow the Community rules and terms of use, and will be moderated prior to posting. NPR reserves the right to use the comments we receive, in whole or in part, and to use the commenter's name and location, in any medium. See also the Terms of Use, Privacy Policy and Community FAQ.