population patterns sub-saharan africa. growth population: 800million (1.5 billion by 2050)...

Population PatternsSub-Saharan Africa

Growth

• Population: 800million (1.5 billion by 2050)– Highest birthrate *except* – Highest death rate– Highest infant mortality rate – Shortest life expectancy– 2.5% growth per year (still more birth than

deaths)• AIDS-related deaths may limit growth

• Most populous country:– Nigeria– Largest city: Lagos (est. 15 million in metro.

Area)– 52% urban, 48% rural

• About ½ have access to clean water/sanitation etc.• Avg. life expectancy 47 yrs

• Male life expectancy

• Female life expectancy

Population Density

• Uneven: Why?

• Rwanda: 718/ sq mi

• Namibia: 6/ sq mi

• Most:– Coastal belt of W. Africa– Eastern coast of

southern Africa

Food Production

• 70% of population: Farmers– Producing less– People eating less– Population still triple

• Government actions:

• Environment:

Sanitation

• 1/3 of population has access to clean water

• ¼ has access to sanitation

• Tropical disease– Malaria, Sleeping sickness, Ebola virus – Cholera

HIV/AIDS• Avg. 6% of adults (15-49) infected– Highest country:

Swaziland (26%, over 50% of adults in their 20s)

• Treatment• Resources• Education• Effects:

Schools