1. World Populations

2. Population Growth

3. Demographic transition
Population
Stagnant
Population
Decline
Population
Growth

4. Birth Rate- the proportion of births to the total population, usually per 1000
Death Rate- number of deaths per unit, usually per 1000
Population Growth- Occurs when the birth rate exceeds the death rate
Population Decline- Occurs when the death rate exceeds the birth rate

8. Challenges of Population Growth
Food
Housing
Water
Lack of employment

9. Negatives of population Decline
Not enough workers
Not enough working population paying into state pension (Social Security)

10. Population Density
Population Density- The amount of people in a given area

11. Population Density Low density (Rural) High Density (Urban)
High density can lead to problems
Access to resources
Housing
Water
Food
Jobs
Transportation
Energy

12. Population Distribution- The arrangement of people in a given area
Sparsely populated areas
Desert
Arctic
Mountainous (high altitude)
Wetlands (swamp, rainforest)