Population Overview
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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

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Population overview how is human population distributed and concentrated

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

Kerala, India and Social Justice


Population overview how is human population distributed and concentrated

Moscow, Russia

Jaipur, India


Population overview how is human population distributed and concentrated

1900=2 billion

1965=3.3 billion

2000=6 billion

2011=7 billion


Population overview how is human population distributed and concentrated

Where is

Human

Population

Distributed?


Population overview how is human population distributed and concentrated

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?


Population overview how is human population distributed and concentrated

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?


Population overview how is human population distributed and concentrated

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.


Another view of the world s population cartogram

Another view of the World’s Population Cartogram

  • This cartogram clearly illustrates which countries have the largest populations. What region of the world clearly dominates in human population numbers? Which regions have the fewest people?


Population overview how is human population distributed and concentrated

Where is human population concentrated?

Major Clusters:

East Asia (1/4 of world’s population)

South Asia (1/4 of world’s population)

Europe

Southeast Asia (600 million)


Population overview how is human population distributed and concentrated

How is population

density calculated?

Arithmetic Density

Simple calculation of persons/land area

Physiological Density

Explains uneven

distribution of humans across Earth


Population overview how is human population distributed and concentrated

Agricultural Density

Reflects differences in economic conditions.


Population overview how is human population distributed and concentrated

Population Growth and Change: Natural Increase Rate


Population overview how is human population distributed and concentrated

Natural Increase Rates


Population overview how is human population distributed and concentrated

Crude Birth Rate:

Births per 1,000

Crude Death Rate:

Deaths per 1,000


Population overview how is human population distributed and concentrated

World Population Doubling Times


Population overview how is human population distributed and concentrated

Total Fertility Rates (TFR):

average number of children per childbearing years per woman

Niger: 7.16South Korea:1.23

Mali: 6.35Singapore:0.78

Italy:1.40


Population overview how is human population distributed and concentrated

Population Pyramids: reflect the structure of a population

Dependency and Sex Ratios


Population overview how is human population distributed and concentrated

Japan’s Changing Population Pyramid


Population overview how is human population distributed and concentrated

  • View the interactive population pyramid for Australia at:

    • http://www.abs.gov.au/websitedbs/d3310114.nsf/home/Population%20Pyramid%20-%20Australia

    • Note the changes for Australia’s population by 2056—what age group will be largest?

  • Or an animated population pyramid for Germany:

    • http://vimeo.com/7687560

    • How has Germany’s population significantly changed since 1950 and what challenges will these changes bring for the country


Population overview how is human population distributed and concentrated

Dependency Ratios


Population overview how is human population distributed and concentrated

Sex Ratios


Population overview how is human population distributed and concentrated

What explains variations in population growth?

What is the future of human population growth?


Population overview how is human population distributed and concentrated

Was Malthus Correct?


Population overview how is human population distributed and concentrated

Demographic Transition Theory:

Stage 1: Low Growth

Stage 2: High Growth

Stage 3: Slowing Growth

Stage 4: Low Growth


Population overview how is human population distributed and concentrated

England’s Demographic Transition:

What causes death rates to drop in 1750?


Cape verde s population pyramid and demographic transition

Cape Verde’s Population Pyramid and Demographic Transition


Population overview how is human population distributed and concentrated

Chile’s Population Pyramid and Demographic Transition


Population overview how is human population distributed and concentrated

Denmark’s Population Pyramid and Demographic Transition


Population overview how is human population distributed and concentrated

CBR Declines 1990-2012


Population overview how is human population distributed and concentrated

Why no transition in some countries?

What are the social and economic conditions that lead to large families?


Population overview how is human population distributed and concentrated

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


Population overview how is human population distributed and concentrated

Fareed Zakaria on China’s “Looming Demographic Catastrophe”

http://www.cnn.com/2012/11/14/opinion/china-challenges-one-child-brooks


Case study kerala india

Case Study: Kerala, India

  • Successful Demographic Transition with the Optimist Approach

    • One of the lowest birth rates in India

    • But a largely agriculturally based society, largely poor and rural

    • Achieved not through strict population policy, but through a program of Social Justice

      • Emphasis on education—for both boys and girls

      • Emphasis on health—lowering the IMR, keeping women healthy

      • Emphasis on rural development—bringing jobs and income to people in rural areas, rather than having families split by migration as one member travels to the nearest city to find work.

    • Read more on Kerala:

      • http://www.ashanet.org/library/articles/kerala.199803.html

      • http://www.indiatogether.org/2008/mar/opi-kerala.htm


Population overview how is human population distributed and concentrated

The Kerala Model


Case study bangladesh

Case Study: Bangladesh

Muhammed Yunus and the

recipient of a microloan.

  • Bangladesh has not seen much improvement in literacy or wealth

  • However, 56% of women were using contraception in 2011 (just 30 years ago only 6% were)

  • How did this transformation occur? It seems to contradict the traditional explanations for lowering fertility rates.

  • Read about the role of microloans, specifically through the Grameen Bank, in changing women’s financial circumstances:

    • The Grameen Bank: Bank for the Poor

    • Muhammad Yunus, Founder of the Grameen Bank

    • The Economist: Bangladesh & Development

    • New York Times: Bangladesh, Still Poor, Cuts Birth Rate Sharply


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