Chapter 5: pages 86-111Chapter 5: pages 86-111

Population GeographyPopulation Geography Population Geography is closely Population Geography is closely

related to related to demographydemography, or the , or the statistical study of human statistical study of human populations.populations.

Why is it important for demographers Why is it important for demographers to collect statistics about geography?to collect statistics about geography?– It can forecast the growth of a It can forecast the growth of a

community, and help city developers community, and help city developers decide where to build new schools.decide where to build new schools.

Population DensityPopulation Density Is the average # Is the average #

of people living in of people living in an areaan area

What makes What makes population population density vary from density vary from place to place?place to place?

Population DistributionPopulation Distribution Where do most the Where do most the

people in the world people in the world live?live?

Why do people live Why do people live in some places & in some places & not others?not others?

90% of all people live 90% of all people live in the N. hemisphere. in the N. hemisphere. 2/3 of which live in 2/3 of which live in mid-latitudes & in mid-latitudes & in valleys on the edges valleys on the edges of continents.of continents.

They live where They live where settlement is settlement is favorable.favorable.

3 Factors that affect 3 Factors that affect the # of people in any the # of people in any place.place.

Birth RateBirth Rate Death RateDeath Rate MigrationMigration

Population ChangePopulation Change Birthrate - # of Birthrate - # of

births each year births each year for every 1,000 for every 1,000 persons living in persons living in a placea place

Death rate - # of Death rate - # of deaths per every deaths per every 1,000 people 1,000 people living in a placeliving in a place

Natural Population Natural Population GrowthGrowth Where are the Where are the

highest rates of highest rates of natural increase natural increase found in the found in the world?world?– Africa, Southwest Africa, Southwest

AsiaAsia The Lowest?The Lowest?

– Europe, N. Europe, N. America, New America, New Zealand & JapanZealand & Japan

MigrationMigration Immigration – Immigration –

people who come people who come to a new countryto a new country

Emigration – Emigration – people who leave people who leave a country to live a country to live somewhere elsesomewhere else

Why do people Why do people migrate?migrate? Push FactorsPush Factors

– Lack of jobsLack of jobs– DroughtsDroughts– FloodsFloods– Political unrestPolitical unrest– WarsWars– persecutionpersecution

Pull FactorsPull Factors– Good jobsGood jobs– Warm climatesWarm climates– Favorable Favorable

environmental environmental conditionsconditions

– Lack of Lack of persecutionpersecution

– Physical Physical geographygeography

What technological What technological improvements have led to the improvements have led to the growth of the world’s growth of the world’s population?population?

Reasons for Population Increases

Medical advances lead to better health care

which allows people tolive longer.

Agricultural advances leadto increased food

production, which allowsmore people to live in an

area

Sanitation advances lead to cleaner living

conditions, which helppeople stay healthy