Population Growth Flashcards
1
Q
Facts and figures
A
- Growing by 88 million people every year
- Extra 241 095 people everyday
2
Q
The Demographic Transition Model
A
- 4 stages:
+ 1st stage: birth rates and death rates are both high => population remains low
+ 2nd stage: birth rates remain high, but death rates begin to fall => population increases
+ 3rd stage: birth rates begin to fall, but still remain higher than death rates => population continues to increase
+ 4th stage: Birth rates and death rates are both low => population remains constant
+ 5th stage: birth rates start to fall below death rates => population declines
3
Q
Define birth rate
A
The number of births per 1000 of population per year
4
Q
Define death rate
A
The number of deaths per 1000 of population per year
5
Q
Define fertility rate
A
The average number of children a female is expected to have in their lifetime
6
Q
Define infant mortality
A
The number of deaths before the age of 1, per 1000 live births per year
7
Q
Define life expectancy
A
The average age that someone is expected to live within a country
8
Q
Define natural population increase and decrease
A
- When birth rates are higher than death rates
- When death rates are higher than birth rates