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Demographic Transition Model Chapter 2, Key Issue 3.

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Presentation on theme: "Demographic Transition Model Chapter 2, Key Issue 3."— Presentation transcript:

1 Demographic Transition Model Chapter 2, Key Issue 3

2 Stage 1: Low Growth At about 8000 B.C., the agricultural revolution occurred when humans first domesticated plants and animals and stopped being hunter- gatherers Food was unpredictable b/c of weather, war and disease, so the world remained at Stage 1 until 1750

3 Stage 2: High Growth 1750-world’s population suddenly began to grow 10 x faster than in the past Several countries moved to Stage 2 after 1750 b/c of Industrial Revolution (steam engine, mass production, etc.) Made countries healthier—improved sanitation and food and water supplies protected against contamination

4 Stage 2 (cont.) Europe and N. American entered Stage 2 around 1800 because of Industrial Revolution Africa, Asia and Latin American entered in 1950s due to medical revolution

5 Stage 3: Moderate Growth Europe and N. America entered Stage 3 in early 1900s Asia and Latin America moved to Stage 3 in the last few years Most of Africa still in Stage 2 today CBR declines b/c of social customs (fewer children) Stage 3 countries more likely to live in cities

6 Stage 4: Low Growth TFR of approx. 2.1 produces ZPG, but immigration into the country allows a lower TFR to achieve ZPG Most European countries now Stage 4 The U.S. TFR has hovered around ZPG since 2000 In Stage 4, women work outside of the home more and have smaller families

7 Russia’s negative NIR 50 years of communist rule Inadequate pollution control Strong family-planning programs Pessimism about having children in an uncertain world

8 The future A Stage 5 of the Demographic Transition Model? – Higher death rates than birth rates – Irreversible population decline

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