Population Pyramids Flashcards
1
Q
Why might the Birth rate decrease/ be low
A
- Infants dying - so have more children
- Emancipation of women (better education - job)
- less money to raise children - dependent elderly relatives
- Use of contraception
- Children aren’t needed on farms
- Possessions over children
2
Q
Why might the birth rate be high/ increase
A
- Baby boom
- Economy - based on agriculture (lots of children to work on farms)
- No use of contraception
3
Q
Stage 1 population pyramid
A
• Birth rate - high • Death rate - low • Population growth - zero • Structure - life expectancy low Mostly young people
4
Q
Stage 2 population pyramid
A
- Birth rate - High
- Death rate - falls
- Population growth - high
- Structure - life expectancy - increased still more young than old people
5
Q
Stage 3 population pyramid
A
- Birth rate - rapidly falling
- Death rate - falls
- Population growth - high
- Structure - more people living are older
6
Q
Stage 4 population pyramid
A
- Birth rate - low
- Death rate - low and fluctuating
- Population growth - zero
- Structure - life expectancy - high, more older people
7
Q
Stage 5 population pyramid
A
- Birth rate - slowly falling
- Death rate - low and fluctuating
- Population growth - negative
- Structure - more older than young people
8
Q
Natural increase
A
When the birth rate is higher than the death rate, more people are being born than dying, the population grows
9
Q
Natural decrease
A
Death rate is higher than the birth rate
10
Q
Why is death rate decreased/ low
A
- Improved health care
- Medical advances
11
Q
Why is death rate increased/ high
A
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