1. 6th Grade Social Studies Unit 3, Lesson 2 Population Growth

2. 2000 years ago – Earth’s human population = about 300,000,000
Source: Human Numbers Through Time. 12 October

3. World Population 1000 years later (1000 CE)
Source: Human Numbers Through Time. 12 October

4. 1800 - 800 years later – the human population on Earth had reached 1 billion
Source: Human Numbers Through Time. 12 October

5. 1927 - 127 years later – the population had reached 2 billion
Source: Human Numbers Through Time. 12 October

6. 1960 - 33 years later – the population had reached 3 billion
Source: Human Numbers Through Time. 12 October

7. 1974 - 14 years later – the population had reached 4 billion
Source: Human Numbers Through Time. 12 October

8. 1999 - 23 years later – the population had reached 6 billion
Source: Human Numbers Through Time. 12 October

9. 2050 - Projected Population – 9 billion
Source: Human Numbers Through Time. 12 October

10. ACTIVITY: Calculating Natural Increase
Source: Human Numbers Through Time. 12 October

11. Rate of Natural Increase
United States, 2012

12. Rate of Natural Increase
United States, 2012
Birth Rate: 13 per thousand

13. Rate of Natural Increase
United States, 2012
Birth Rate: 13 per thousand
Death rate : 8 per thousand

14. Rate of Natural Increase
United States, 2012
Birth Rate: 13 per thousand
Death rate : 8 per thousand
Natural increase : 13 – 8 = 5

15. Rate of Natural Increase
United States, 2012
Birth Rate: 13 per thousand
Death rate : 8 per thousand
Natural increase : 13 – 8 = 5
Rate of Natural Increase: 5/1000 = .5 percent

16. Rate of Natural Increase What is the rate of natural increase?
World, 2012
Birth Rate: 20 per thousand
Death rate : 8 per thousand
What is the rate of natural increase?

17. Rate of Natural Increase
World, 2012
Birth Rate: 20 per thousand
Death rate : 8 per thousand
Natural increase : 20 – 8 = 12
Rate of Natural Increase: 12/1000 = 1.2 percent

18. ACTIVITY: Analyzing Population Data

19. Source: http://www. prb

20. ACTIVITY: Comparing Two countries

21. Property of Oakland Schools
Author: Carol Egbo
Editors: Amy Bloom and Kimberly Hase Galek