Final Review: Population Flashcards
(31 cards)
Demography
Statistical study of human population
Census
Process of collecting, compiling & publishing demographic, economic an& social data pertaining to a particular time to all people in country (10 year detailed; 5 year less detailed)
Developed country
No modern infrastructure or industries
Infant mortality rate
rate at which babies of less than one year of age die (deaths per 1000)
Birth rate
Births in 1 year/population x 1000
Death rate
Deaths in 1 year/population x 1000
Natural increase
Births - Deaths
Rule of Seventy
Doubling time; approx = 70/ growth rate % (per year)
Immigration rate
Immigration in 1 year/population x 1000
Emigration rate
Emigration in 1 year/population x 1000
Net Migration rate
Immigration rate - Emigration rate
Life expectancy
Avg number of years individual is expected to live
World Health Organization (WHO)
Improve health measures available to all countries
Demographic transition model
Shows change over a period of time in: -Birth rate -Death rates -Trends in overall population # Assumes countries go thru industrialization reduce birth/death rates
Age structure
Population understand why things change within population: Children up to 15, 16-24, and 65+
Dependency ratio
Proportion of population being supported by working age group
Population Pyramid
Graph show age & sex structures of population
Cohorts
Intervals of 5 years in population Pyramids (horizontal bars)
One child policy in China
- If have second child = no support from gov.
- may have 2nd if 1st a girl
- prevent apocalyptic future
Early-expanding population
- Sharper Pyramid
- Less wide (high birth rate)
- Narrow @ top (same as expanding)
Expanding population
- VRY slanted pyramid
- wild bottom (high birth rate)
- narrow top (high death rate; old ppl ded)
Stable population
- About same amount of elders & births
- mostly middle age
- star shaped
Contracting population
- Zero growth
- Oval shaped
Refugee
Person forced to leave country to escape war, persecution, natural disaster
