Population Overview How is human population distributed and concentrated? Population Growth and Change Measures for population change Population Structure Population pyramids Theories on Variation in Population Growth Malthus and the Transition Theory Case Studies China’s One Child Policy
How is human population distributed and concentrated?
Population Growth and Change
Measures for population change
Theories on Variation in Population Growth
Malthus and the Transition Theory
China’s One Child Policy
Kerala, India and Social Justice
World Population Cartogram, 1900
Note: the size of Japan’s and China’s populations. Also note the size of Europe’s population—what happens to it over the next 50 years?
World Population Cartogram, 2000
This cartogram provides a good image of the current distribution of human
population on earth. Are you surprised by the size of the population in any
particular region or country?
World Population Cartogram, 2050 (projected)
This cartogram illustrates the human population as it will most likely be in 2050. What regions have lost population? Any surprises? Notice what has happened to China’s population since 1900.
Where is human population concentrated?
East Asia (1/4 of world’s population)
South Asia (1/4 of world’s population)
Southeast Asia (600 million)
How is population
Simple calculation of persons/land area
distribution of humans across Earth
Reflects differences in economic conditions.
Population Growth and Change: Natural Increase Rate
Natural Increase Rates
Crude Birth Rate:
Births per 1,000
Crude Death Rate:
Deaths per 1,000
World Population Doubling Times
Total Fertility Rates (TFR):
average number of children per childbearing years per woman
Niger: 7.16South Korea:1.23
Population Pyramids: reflect the structure of a population
Dependency and Sex Ratios
Japan’s Changing Population Pyramid
What explains variations in population growth?
What is the future of human population growth?
Was Malthus Correct?
Demographic Transition Theory:
Stage 1: Low Growth
Stage 2: High Growth
Stage 3: Slowing Growth
Stage 4: Low Growth
England’s Demographic Transition:
What causes death rates to drop in 1750?
Chile’s Population Pyramid and Demographic Transition
Denmark’s Population Pyramid and Demographic Transition
CBR Declines 1990-2012
Why no transition in some countries?
What are the social and economic conditions that lead to large families?
I CAN’T GET A DATE!!
“As a result, approximately 30 million more men than women will reach
Adulthood and enter China’s mating market by 2020.” CNN
Fareed Zakaria on China’s “Looming Demographic Catastrophe”
The Kerala Model
Muhammed Yunus and the
recipient of a microloan.