Geography: Vocabulary Unit 3. Population

Word	Meaning
birth rate	The ratio of total of births to total population in a  community or area over a period of time. Also called natality.
death rate:	The ratio of total deaths to total population in a community or area over a period of time.
natural increase	How much a country is growing.
infant mortality rate	The death rate of infants during the first year of life.
life expectancy	The number of years that an individual is expected to live
birth control	Voluntary prevention of conception by a man or a woman
dependent population
dependency ratio:	It´s an age-population ratio of those typically not in the labor force (the dependent part) and those  in the labor force (the productive part).
family planning	The planning of when to have children.
replacement rate	The percentage of a worker's retirement income that is paid out by a pension program.
fertility rate	The average number of children that would be born to a woman over her lifetime.
ageing population	When the median age of a country or region increases.
more economically developed country (MEDC)	Rich countries
less economically developed country (LEDC)	Poor countries
overpopulation	When the population exceeds the capacity of a country o continent.
Underpopulation	Having a population lower than is normal or desirable.

Links to Teresa´s blog:

1. Population density
2. Population pyramids
3. How to read a population pyramid
4. Demographic Transitio Model
5. The World Population Growth
6. Natural movements of population