1. Ch. 22. Population

2. World population changes Ways of measuring population Age-sex pyramids (Not in Egypt) Ideas about population change Today’s coming attractions!!

3. World population 6.4 Billion

4. Demography = the study of population

5. Ways of measuring population Demographic terms Fertility Amount of childbearing in a population Several measurements of this Crude Birth Rate Births per 1,000 population Fecundity rate Maximum possible childbearing Potential to reproduce Sex Ratio Males per 100 females

6. Income and population As income declines what happens to the population? 96% of global population increase comes from low-income nations.

7. Sex ratio India has a sex ratio of 107. Do they value sons or daughters more? How do you know?

8. Age-sex pyramids

9. Ideas about population change Malthusian theory Demographic Transition theory

10. The Malthusian theory Thomas Malthus Food increase = arithmetically Population increase = geometrically People will reproduce beyond what the planet can support

11. Demographic Transition theory Population reflects society’s level of technological development

12. Urbanization In the text: Check Emile Durkheim’s concepts Mechanical solidarity Traditional rural societies based on likeness Organic solidarity Modern urban societies based on differences Check Tonnies’s concepts of Gemeinschaft and Gesellschaft Similar to Durkheim’s concepts

13. Tomorrow’s coming attractions!! Last exam.