Demographics
The study of Human
population
Population
Distribution
The way in which
people are spread out
across the globe...
of 1

Population Key terms cheat sheet

Published on: Mar 4, 2016
Published in: Education      
Source: www.slideshare.net


Transcripts - Population Key terms cheat sheet

  • 1. Demographics The study of Human population Population Distribution The way in which people are spread out across the globe Population density The number of people living in a given area, usually a square km Natural Population Increase The difference between birth and death rate The Crude Birth Rate The number of live births per 1000 people per year Crude Death Rate The number of deaths per 1000 people per year Population Growth Rate Any natural change in population either an increase or a decrease The Demographic Transition Model A sequence of changes over a period of time in the relationship between birth rates death rates and overall population Population Age-sex Pyramid A representation of male-female population at different ages in a particular location Average Life Expectancy The number of years an average person born in an area may expect to live Infant Mortality Rate The average number of children out of every 1000 who die before they are 1 year old Economically active population Those people aged 15- 65 employed in work Non Economically active population Those people aged 15 or over 65 who do not work The Dependency Ratio The proportion of a population who rely on the working population The Fertility Rate The number of children born to women of child bearing age The replacement ratio When there are just sufficient children born to balance the number of people who die – In MEDCs around 2.1 births per woman MEDC More economically developed country, e.g. Japan, USA, UK LEDC Less economically developed country, e.g. Ghana, Chile, Afghanistan Migration A movement of people usually to a permanent change of home although it may be semi-permanent or seasonal An Emigrant A person leaving their country of birth An Immigrant A newcomer arriving in a country usually to seek residence Push Factors A cause of people leaving a place because of pressures which makes them dissatisfied with their present home such as unemployment Pull factors Those perceived qualities of a place that attract people to a new settlement such as a better chance of finding work Migration Balance The difference between the number of emigrants and immigrants Forced Migration When there is no choice but to move to a new settlement due to natural disaster, religious persecution or economic and social impositions