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Class Discussion Tuesday , October 2nd

According to the UN, world population is expected to grow to 9.2 billion by the year 2050. What challenges do you see if this prediction proves accurate?. Class Discussion Tuesday , October 2nd. After Today…. Students should be able to predict future population trends.

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Class Discussion Tuesday , October 2nd

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  1. According to the UN, world population is expected to grow to 9.2 billion by the year 2050. What challenges do you see if this prediction proves accurate? Class DiscussionTuesday, October 2nd

  2. After Today… • Students should be able to predict future population trends. • Students will discuss consequences / challenges based upon future population trends. • Students will fully comprehend the 4 phases of the Demographic Transition Model.

  3. Top 10 Countries (Source USA Census Bureau) • China 1.3 Billion • India 1.2 B • USA 313 Million • Indonesia 246 M • Brazil 203 M • Pakistan 187 M • Bangladesh 159 M • Nigeria 155 M • Russia 139 M • Japan 126 M

  4. Future??? (2050 according to Population Reference Bureau) • India 1.7 Billion • China 1.3 B • USA 403 Million • Nigeria 390 M • Indonesia 293 M • Pakistan 275 M • Brazil 223 M • Bangladesh 194 M • Philippines 155 M • Democratic Republic of the Congo 149 M

  5. Demographic Transition Model • Phase #1 – Pre Industrial • High Birth Rates • High Death Rates • Slow Rate of Natural Increase (RNI) • Usually associated with poor public health measures like lack of sanitation. • AKA – Less Developed Countries, 3rd World Countries

  6. Angola source CIA Factbook • Median Age – 18.1 • Life expectancy at birth – 38.76 • Total fertility Rate – 5.97 children / woman

  7. Demographic Transition Model • Phase #2 – Transitional • High Birth Rates • Death Rates Fall (Higher Life expectancies) • Rapid Rise in the RNI • Associated with improved economic and social conditions

  8. India • Median Age – 26.5 years • Life expectancy at birth – 67.14 years • Total Fertility Rate – 2.58 children per woman

  9. Demographic Transition Model • Phase #3 – Transitional • Birth Rates Begin to Fall rapidly • Death Rates Fall slightly • RNI begins to level off • In an urbanized and industrial society people begin to see the benefits of smaller families.

  10. Demographic Transition Model • Phase #4 – Industrial • Low Birth Rates • Low Death Rates • RNI is relatively flat or even in slight decline • Usually associated with highly industrialized and highly urbanized countries.

  11. Japan • Median Age – 44.8 • Life expectancy at birth – 82.25 • Total fertility Rate – 1.21 children / woman

  12. Urbanization • Migration of people from rural areas to urban areas. • Growth of cities. • Currently about 50% of the world’s population lives in urban areas. • This number is increasing at a rapid rate throughout the entire world.

  13. Taking the subway…

  14. Everybody in the pool…

  15. Overurbanization • When the urban population grows more quickly than support services such as housing, transportation, waste disposal and water supply • Fairly common in 3rd World Countries

  16. Thomas Malthus • English economist, Malthus is best known for his hugely influential theories on population growth. • Believed that populations would eventually expand beyond their capability to feed themselves. • Population correction

  17. Norman Borlaug • Founding Father of the Green Revolution. • Worked with Mexican scientist and farmers to increase wheat production. • His work has helped to prevent widespread starvation in many parts of the world.

  18. Developed Countries • Also sometimes called “1st world countries”. • Characterized by high economic development and low Birth Rates • Core countries often found in the Northern Hemisphere

  19. Developing Countries • Also sometimes called 3rd world countries. • Characterized by low economic development and high Birth Rates • Periphery countries often found in the Southern Hemisphere

  20. Squatter Settlements • Illegal developments of makeshift housing on land neither owned nor rented by the inhabitants. • Fairly common in many LDC’s or 3rd World Countries

  21. Favela Makeover • Many of the participants in Brazil’s world famous Carnival come from the Favelas. • Read the following article from TIME magazine: http://www.time.com/time/world/article/0,8599,2091817,00.html

  22. After Today… • Students should be able to predict future population trends. • Students will discuss consequences / challenges based upon future population trends. • Students will fully comprehend the 4 phases of the Demographic Transition Model.

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