Geography glossary- Population

-Birth rate: total number of live births per 1000 of a population in a year.

-Death rate: (mortality rate) measure of the number of deaths that take plas in a population over a year.

-Natural increase: number of births minus the number of deaths.

-Infant mortality rate: number of deaths of infants under one year divided with the number of deaths in a year, per 1000.

-Life expectancy: average years that one person may expect to live.

-Birth control: method or devise used to prevent pregnacy.

-Dependent population: part of the population that does not work and relies on others for the services they consume.

-Dependency ratio: age population ratio of thos tipically not in the labor force.

-Family planning:practise of controlling the number of children in a family and the intervals between their births.

-Population piramids/age-gender structures: diagrams that decipt the distribution of the population at a particular time and location.

-Replacement rate

-Fertility rate: number of children that would de born to a woman over a lifetime.

-Ageing population: in developed countries, the number of young people is smallest than the number of old people.

-Population distribution and population density

-A more economically developed country (MEDC) and less economically developed country (LEDC)

-Overpopulation and under population