Population Geography

World Population

Population Growth Death Rate – deaths per year for every

1,000 people

Declines due to improved healthcare, abundant food supplies, advances in technology, better living conditions

Population Growth

Birthrate – birth per year for every 1,000 people

Increases due to cultural beliefs (marriage, family, value of children)

Population Growth Natural Increase = birthrate – death rate

Negative Population Growth Birthrate < Death Rate

Zero Population Growth Birthrate = Death Rate

Doubling Time – # of years for pop. to double

Challenges of Population GrowthINCREASING POPULATION

Food production Warfare Severe Weather

Shortages of limited resources Water, housing,

clothing, etc.

DECLINING POPULATION

Shrinking workforce Decreasing GDP

Immigration Clashing cultures

Population Distribution Population Distribution – pattern of

settlement

30% of earth is land, not all inhabitable

People settle near fertile soil, water, moderate climate

World Population Density

Population Density Population Density – the average

number of people living on a square mile (kilometer) of land

= Total Population / Total Land Area

Does not account for uneven population distribution within a country

Migration

Metropolitan Area – cities & surrounding urbanized areas

Urbanization – Growth of city populations People migrating from rural villages

looking for jobs / more opportunities

1/2 of the world’s population live in cities