Population Change Key Terms Flashcards
Exponential rate of population growth…
The rate of population growth is getting faster each year
What does the Demographic transition model show us?
Shows us how birth and death rates affect population growth in countries at different stages of development.
What is Birth Rate?
The number of babies born alive per 1000 people per year
What is Death Rate?
Number of deaths per 1000 people per year
What is natural population change?
Birth rate - death rate (can be positive or negative)
What is Population structure
The make-up of a population in terms of age and gender
What is urbanisation?
Growth of towns and cities due to rural to urban migration
What is Agricultural change
Improvements in farming technology
What is sustainable population growth?
When population numbers match the planets resources
What is ‘population policy’
Measures aimed at effecting population growth, usually by altering birth/death rates or migration.
What is Birth Control?
Any method used to prevent pregnancy
What is ‘ageing population’?
What the median age of a country rises due to rising life expectancy or failing birth rates
What is the ‘economically active population’?
The proportion of a population that are working age
What is Migration?
The movement of people from place to another
What is a push factor?
Something that makes people want to move away from a place (can be social, economic or environmental)
