Demographic Transition Model A Model by Warren Thompson

The Classic Stages Stage 5 1929 by Warren Thompson Note: Natural increase is produced from the excess of births over deaths. www. prb. org

http: //www. uwmc. uwc. edu/geography/Demotrans/demtran. htm

http: //www. uwmc. uwc. edu/geography/Demotrans/d emtran. htm

http: //www. ag. unr. edu/Gustin/ERS 210/210 Population. Notes. pdf

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http: //www. geographyalltheway. com/ib_geography/ib_population/ib_de mographic_transition_model. htm

Statistics for England Year CBR CDR Population 1750 40 40 6 1800 34 20 9 1850 34 22 18 1900 28 16 32 1950 16 12 44 2000 11 10 60

Statistics for Sweden Year 1750 CBR 36 CDR 27 1800 29 31 1850 32 20 1900 27 17 1950 17 10 2000 10 11

Statistics for Mexico Year CBR CDR 1900 47 33 1920 45 28 1940 45 22 1960 45 12 1980 35 12 2000 22 5

Demographic Transition in Sweden and Mexico Births/Deaths per 1, 000 Sources: B. R. Mitchell, European Historical Statistics 1750 -1970 (1976): table B 6; Council of Europe, Recent Demographic Developments in Europe 2001 (2001): tables T 3. 1 and T 4. 1; CELADE, Boletin demografico 69 (2002): tables 4 and 7; Francisco Alba-Hernandez, La poblacion de Mexico (1976): 14; and UN Population Division, World Population Prospects: The 2002 Revision (2003): 326. Lesson Plan: The Demographic Transition, Activity One

A B C 7. Stage 1? D 2? 3? 4?

1. One important feature of the world’s population with the most significant future implications is that a. the less developed countries have the highest combined crude death rate b. the natural increase rate is larger every year c. the most rapid growth is occurring in the less developed countries d. there are fewer people in the world now than at the peak in the middle of the 20 th century

2. Replacement rate, the number of births needed to keep a population at a stable level without immigration, requires a total fertility of a. 10. b. 2. 1. c. 3. 5. d. 5. 3. Which of the following countries is most likely to be showing the lowest natural increase rate? a. Afghanistan b. United States c. Japan d. Chile

4. Countries with aging populations attempt to stimulate economic growth to lessen the effect of rising medical and retirement costs by a. cutting social security. b. encouraging increased birth rate. c. promoting immigration. d. promoting emigration of the elderly.

5. Demographically, Great Britain experienced a __________ in the period from the late 1800 s through WWII. a. population decline b. rising death rate c. population explosion d. rapid birth rate decline

7. The medical revolution has been characterized by a. development of new inventions b. diffusion of medical practices c. increased agricultural productivity d. invention of new medicines 8. The average number of births women bear in their lifetime is a. total fertility rate b. crude birth rate c. natural increase rate d. crude death rate

9. A decline in a country’s crude birth rate would result in an increase in the country’s a. doubling time b. natural increase rate c. total fertility rate d. life expectancy rate 10. The low rate of contraceptive use in Africa reflects the region’s a. low status of women b. improving education of women c. rapid diffusion d. A and B

Skip this Slide for Now • Why is population growing so fast? • Which areas are growing fastest? • What effects has this growth had on social and ecological systems?