Chapter 8 Key Topics 1.Calculations of growth rate 2.Types of growth & species survivorship 3.Population flunctuations based on cycles and density factors 4.Historical perspective of human population growth 5.A countries age structure - what influences it - how it influences the countries pop. Growth 6.Immigration laws and the future of immigration here and in the world

Population Change Chapter 8

Earth’s Carrying Capacity How Many?

Only In China?

The Human Population - Demographics Current Population Numbers Check out: billion people billion people billion people billion people billion people billion people billion people billion people A staggering 97 percent of global growth over the next 40 years will happen in Asia, Africa, Latin America and the Caribbean. The increase from 6 billion to 7 billion is likely to take 12 years, as did the increase from 5 billion to 6 billion. Both events are unprecedented in world history.

World Population

US Population

Demographics of Countries Most Populous Countries Insert Table 8.1

Demographics of Countries Developed vs. Developing Countries Demographics Insert Table 8.2 (note reconstruction)

Demographics of Countries Developed vs. Developing Countries Demographics Table 8.2

Growth Rates

Demographics of Countries Demographic Stages

Decline?

Transition & Age Structure

Demographics of Countries Age Structure of Countries Generalized Age Structure

Demographics of Countries Examples:

An Aging Nation 1.Social Security, Health, & Pension designed as a “Pay-as-you-go” system 2.Crime Rates 3.Migration 4.Educational Status 5.Industrial Productivity

Demographics of the US

Demographics of Countries Examples:

Africa & Aids How does an epidemic like AIDS in Africa impact individual countries or villages?

Africa & AIDS Lost one or both parents Infected individuals die within 10 years Leading cause of death in Africa 2.2 million Vs. 3 million world-wide Botswana Life expectancy 60 years now 36 Economic, Agricultural, & Social pains

Snapshot - AIDS – 2006 & 2007

Demographics of Countries Examples: