Chapter 5: pages

Population Geography Population Geography is closely related to demography, or the statistical study of human populations. Population Geography is closely related to demography, or the statistical study of human populations. Why is it important for demographers to collect statistics about geography? Why is it important for demographers to collect statistics about geography? –It can forecast the growth of a community, and help city developers decide where to build new schools.

Population Density Is the average # of people living in an area Is the average # of people living in an area What makes population density vary from place to place? What makes population density vary from place to place?

Population Distribution Where do most the people in the world live? Where do most the people in the world live? Why do people live in some places & not others? Why do people live in some places & not others? 90% of all people live in the N. hemisphere. 2/3 of which live in mid-latitudes & in valleys on the edges of continents. 90% of all people live in the N. hemisphere. 2/3 of which live in mid-latitudes & in valleys on the edges of continents. They live where settlement is favorable. They live where settlement is favorable.

3 Factors that affect the # of people in any place. Birth Rate Birth Rate Death Rate Death Rate Migration Migration

Population Change Birthrate - # of births each year for every 1,000 persons living in a place Birthrate - # of births each year for every 1,000 persons living in a place Death rate - # of deaths per every 1,000 people living in a place Death rate - # of deaths per every 1,000 people living in a place

Natural Population Growth Where are the highest rates of natural increase found in the world? Where are the highest rates of natural increase found in the world? –Africa, Southwest Asia The Lowest? The Lowest? –Europe, N. America, New Zealand & Japan

Migration Immigration – people who come to a new country Immigration – people who come to a new country Emigration – people who leave a country to live somewhere else Emigration – people who leave a country to live somewhere else

Why do people migrate? Push Factors Push Factors –Lack of jobs –Droughts –Floods –Political unrest –Wars –persecution Pull Factors Pull Factors –Good jobs –Warm climates –Favorable environmental conditions –Lack of persecution –Physical geography

What technological improvements have led to the growth of the world’s population? Reasons for Population Increases Medical advances lead to better health care which allows people to live longer. Agricultural advances lead to increased food production, which allows more people to live in an area Sanitation advances lead to cleaner living conditions, which help people stay healthy