The document discusses population growth and its impacts. It notes that the world population has doubled since 1960 and is expected to reach 9 billion by 2050. Overpopulation can create issues like increased consumption, disparity, and migration. Models like Malthus' predict population will outpace food growth, leading to famine, but technological advances have increased food supply. Boserup argued that population pressure spurs innovation to intensify agriculture and increase yields. However, overpopulation can also degrade the environment in fragile areas.

1. Population A2 Revision

8. The demographic status of the world's population

10. Measuring Population Change

18. Development Improving living standards Personal aspirations Materialism Awareness Social traits Awareness of need for BC Women's rights Perception of children Sensitivity to cost Government Balance pop’n and resources Access to BC Healthcare Education Environment High Infant Mortality No access to BC or health care Large extended families Cheap child labour Cultural Heritage Religion Children as symbols of male virility Ignorance Focus/ education Birth Control Weakening factors Strengthening factors

20. Demographic Transition model

22. Population theories Malthus, Boserup and the Club of Rome

26. and therefore he said…. War, famine, disease.

30. 'J' Curve - Population Crash Model