Demography Key Terms Flashcards
Developed country
A country with a highly developed economy, infrastructure and high living standards
Demography
The study of population
Numbers, trends, distribution and issues
Developing country
A country with a less sophisticated economy and lower standards of living, many have extensive poverty
Birth rate/death rates
Per 1000 in a given year
Immigration/emigration rate
New arrivals/people leaving
In a given year
Per 1000
Natural increase
The rate at which a population increases or decreases in a year expressed as a percentage of the total populations
NI = birth rate - death rate
Exponential rate
A rapid rate of population growth as each population doubles in size
Rule of 70
The time it takes a country to double its population
70/growth rate
Net migration
Immigration rate - emigration rate
Population growth rate
The rate at which a country’s population changes per year, %
natural increase + net migration
Life expectancy
The average number of years an individual is expected to live
Doubling time
The number of years it takes a country to double its population at its current growth rate
Infant mortality rate
The number of infants (up to one year) who die
Demographic transition model
A model that shows changes in a populations birth and death rates and growth based on technological development
Mortality
Deaths in a population
