Key Terms Flashcards
1
Q
Natural increase
A
- difference between number of births + number of deaths in a given region
2
Q
Carrying capacity
A
- largest pop. that resources of a given envi. can support
3
Q
Low-income countries (LICs)
A
- countries w a gross national income per capita of US$1045 or less in 2014, calculated using Atlas method
4
Q
High-income countries (HICs)
A
- countries w a gross national income per capita above US$12735 in 2014, calculated using Atlas method
5
Q
Population momentum
A
- tendency for pop growth to continue beyond time that replacement-lvl fertility has been achieved bc of a relatively high conc of ppl in childbearing years
6
Q
Net migration
A
- difference between number of immigrants + number of emigrants
7
Q
Replacement-level fertility
A
- lvl at which each generation has just enough children to replace themselves in the pop.
8
Q
Quality of life
A
- standard of living covering eco., social + other factors important to ppl’s lives
9
Q
Life expectancy
A
- avg. number of yrs a person may expect to live when born
10
Q
Population structure
A
- composition of a pop, most important elements of which are age + sex
11
Q
Age/sex structure diagram
A
- bar chart, arranged vertically, showing distribution of a pop by age + sex
12
Q
Sex ratio
A
- number of males per 100 females in a pop
13
Q
Dependency ratio
A
- ratio of number of ppl ages under 15 + over 64 yrs to those ages 15-64 yrs
14
Q
Middle-income countries (MICs)
A
- countries w a gross national income per capita of >US$1045, but <US$12735 in 2014, calculated using Atlas method
15
Q
Youth dependency ratio
A
- ratio of number of ppl aged 0-14 or those aged 15-64 yrs