Population Aging: Unwinding the Demographic Dividend
Population Aging: Unwinding the Demographic Dividend

Unit Test Review 22017
Unit Test Review 22017

...  Be able to classify each region into highlands, lowlands or shield.  Identify one or two key characteristics for each region Big questions  How does the physical geography of the Earth affect people?  How do people affect the Earth?  How will the Earth continue to change? Population Distributi ...

Population decline

Population decline can refer to the decline in population of any organism, but this article refers to population decline in humans. It is a term usually used to describe any great reduction in a human population. It can be used to refer to long-term demographic trends, as in sub-replacement fertility, urban decay, white flight or rural flight, but it is also commonly employed to describe large reductions in population due to violence, disease, or other catastrophes.