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5 Mark Question

5 Mark Question. Explain the differences in fertility in two contrasting geographical locations. [5 marks]. 5 mark Q = 7 or 8 minutes = 10 to 12 lines of writing. AIMS: To interpret Population Pyramids (PPs). To know the 4 clear stages in Economic Development shown by PP’s.

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5 Mark Question

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  1. 5 Mark Question Explain the differences in fertility in two contrasting geographical locations. [5 marks] 5 mark Q = 7 or 8 minutes = 10 to 12 lines of writing.

  2. AIMS: To interpret Population Pyramids (PPs). To know the 4 clear stages in Economic Development shown by PP’s. AKA Age-Sex Diagrams

  3. Population Pyramids • Reflect the past and present demographic trends in popn. • Wide base + narrow peak = high BR, large young popn, rapidly growing popn. • Steep vertical sides = ageing popn + low BR. Excess of elderly women as they tend to have longer life expectancies than men.

  4. Why do PP’s have different shapes? Population Pyramids Stages

  5. Facts • Number of countries with below-replacement fertility levels went from 19 in 1970 to over 50 in 2010. • Some geographers consider “popn explosion” to be over, and risk of “popn implosion”. • Estimates that between 2040 and 2050, global popn will decline by 85 million.

  6. Dependency Ratio Dependency Ratio = (% under 15) + (% over 65) x 100 % between 15 and 64 The dependency ratio tells you how many economically inactive people (0-15 and 65+) are dependent upon the economically active population (16 to 64). The equation above calculates a figure which shows the number of economically inactive people that are reliant on 100 economically active people. So a result such as 81.8 would mean that for every 100 economically active people there are 81.8 economically inactive people.

  7. The Ageing Ratio is the proportion of 65+ to the whole popn.

  8. Explain how these Population Pyramids show that the USA is more developed than Mexico. [6 marks]With reference to Mexico’s Population Pyramid,explainthe problems it will face in the year 2025. [6 marks] Figures 2010

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