Demographic Trends Flashcards
What is meant by demography?
The study of population
Includes looking t changes to: birth/ death rates, life expectancy etc.
Define birth rate
The number of live births per 1,000 of the population per year
Define total fertility rate
The average number of children 1 woman will have between the ages of 15-44
What is the average total fertility rate?
1.9
Define death rate
The number of deaths per 1,000 of the population per year
Define infant mortality rate (IMR)
The number f children dying before their 1st birthday per 1,000 live births per year
What is the dependency ratio?
The proportion of dependents per 100 working-age population
Define life expectancy
The average number of years that a person can be expected to live
Define migration
Moving to another country for a period of at least a year
Define immigration
Entering another country for a period of at least a year, so that it becomes your usual place of residence
Define emigration
Leaving your usual country of residence for at least a year, to live in another country
Define net migration
The difference between the no. of immigrants coming into a country + the no. of emigrants leaving a country in a year
Natural change
Changes in the size of the population due to changes in the no. of births + deaths, including migration
Define globalisation
The way in which the world is becoming increasingly interconnected, causing time and space to seem compressed
What is an ageing population?
When people are living longer so the average age of the population is increasing