Unit 1 and 2 Flashcards
Demography
Is the statistical study of human populations
Why are birth rates high in developing countries?
Extra income Religious/cultural reasons Cheap labour Retirement fund High infant mortality rate
Birth rate
Is the number of births in a country for every thousand people in the population
Death rate
Is the number of deaths in a country for every thousand people in the population
Natural rate of increase
The difference between the birth rate and the death rate of a country
Immigration rate
Is the number of people who permanently move to a country for every thousand people in the population
Emigration rate
The number of people who permanently leave a country for every thousand people in the population
Net migration rate
The difference between the immigration rate and the emigration rate
Population growth
Is the rate of which a country’s population is changing when both migration and natural increase are included
Dependency measure
Used to compare the population in the ‘dependent ages’ (those who need to be housed,fed,educated,etc) to those in the ‘working ages’
Dependency load
Is the percentage is a country’s population that is 14 under and 65 and older that must be supported by the dependent working population
Age dependency ratio
Is the ratio if people in the dependent ages to those in working ages
Infant mortality rate
The number of infant deaths
Total fertility rate
The average number of children that each women will have in her fertile years assuming that the birth rate does not change over this period
Replacement rate
The total fertility rate would produce a natural increase rate of zero
Life expectancy
The average lifespan at birth that a person will have
Rule of 70
A simple way to estimate how long it would take for a country’s population to double
Population pyramid
Is a special type of graph that summarizes the age and sex structure of a population
What is the term for why birth rates are high in developing county’s
Poverty
What is the reason for such a rapid population growth in the past century?
Prolonging of life
Delaying death
What is the difference between birth and death rates
Natural increase
What is the most important ingredient in reducing the world’s population growth rate
Economic growth