Population Change - human Flashcards
Define ‘Birth Rate’
Number of births per 1000 of the population, per year
Define ‘Death Rate’
Number of deaths per 1000 of the population, per year
Define ‘Immigration’
People moving IN to a country
Define ‘Emigration’
People LEAVING a country
Natural Increase / Natural Decrease ?
Population balance = BR - DR
How does climate affect population?
‘Why are some places more populated than others?’
- People want climate with plenty of rainfall to provide drinking water
- Extremes of climate make harsh living environment and water hard to access
How does soil affect population?
‘Why are some places more populated than others?’
- Soil filled with nutrients provides good land for growing crops and grazing animals
- Ensures a reliable food supply, encouraging larger population
How does proximity to the coast/ rivers affect population?
‘Why are some places more populated than others?’
- Rivers supply drinking water and food, of fish
- Sea offers trade opportunities, and food
How does history of settlements affect population?
‘Why are some places more populated than others?’
- Older settlements (EG London or Liverpool) have well established infrastructure and economy
- ^ attracts businesses and workers to locate there
How does HIGH BIRTH RATE effect a countries population?
‘Factors effecting a countries population:’
- Lack of access to contraception
- Need children for farming
- Religious/ cultural beliefs
- Youthful beliefs
How does LOW BIRTH RATE effect a countries population?
‘Factors effecting a countries population:’
- Position of women
- Need for dual incomes
- Children are expensive
- Later marriage age
How does HIGH DEATH RATE effect a countries population?
‘Factors effecting a countries population:’
- Poor sanitation
- Lack of access to health care
- Poor access to food/ clean water
How does LOW DEATH RATE effect a countries population?
‘Factors effecting a countries population:’
- Good sanitation
- High quality health care
- Easy access to food/ clean water