1. Key Word
Picture
Definition
Population
Total number of people
Population density
The total number of people per square mile.
Birth Rate
The number of live births each year per 1,000 people
Death rate
The number of deaths each year per 1,000 people
Infant mortality rate
The number of babies that die each year per 1,000 births
Growth Rate
Birthrate – Death Rate = Growth Rate
How quickly the population is growing.
Population Distribution
How the population is spread out
Demographers
Scientists who study population
Life Expectancy
The average number of years that people live
Green Revolution
New farming methods that greatly increased the food supply, allowing population growth to be possible.

2. Daily Work Pick any three terms and write two sentences about them.
Population
Population density
Birth Rate
Death rate
Infant mortality rate
Growth Rate
Population distribution

3. What do demographers study?
Essential Question
What do demographers study?
TN State Standard 7.3.8

4. Population Total number of people 2005 World 6.5 billion
United States 297 million

5. Scientists who study population
Demographers
Scientists who study population

6. The number of deaths each year per 1,000 people
Death Rate
The number of deaths each year per 1,000 people
World 9
United States 8

7. The number of live births each year per 1,000 people
Birthrate
The number of live births each year per 1,000 people
World 21
United States 14

8. Growth Rate How quickly the population is growing
Birthrate – Death Rate= Growth Rate
World 1.2
United States 0.6

9. The number of babies that die each year per 1,000 births
Infant Mortality Rate
The number of babies that die each year per 1,000 births
World 54
United States 6.6

10. Population Distribution
How the population is spread out
Rural
Urban

11. The total number of people per square mile
Population Density
The total number of people per square mile
World people per sq mile
United States 80 people per sq mile
Canada 8 people per sq mile
Japan people per sq mile
Puerto Rico people sq mile

12. World Population Density 2003

13. U.S. Population Density 1960

15. The average number of years that people live
Life Expectancy
The average number of years that people live
World Males = 65 Females = 69
United States Males = Females = 80

16. Green Revolution
New farming methods that greatly increased the food supply, allowing population growth to be possible

21. Summarize
Social Studies journal: If you were a demographer, what would you study? What organizations would you be able to help and how?