Natural population growth

Natural population increase (in contrast to total population increase) happens as people are born (in contrast to immigrate) into a country, and decrease as people die (in contrast to emigrate). Rates of population growth, usually expressed as a percentage, vary greatly.

This article is issued from Wikipedia - version of the Sunday, July 14, 2013. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.