GEOG 1HA3 Lecture Notes - Population Ageing, Thomas Robert Malthus, One-Child Policy
12 Feb 2014
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Document Summary
An essay on the principle of population (1798) Malthus" argument: food supply increase linear (increase in food is limited, population increase exponential. Contraception (voluntarily begin to control fertility economic growth, women started working) >50% of couples use contraception (condoms, birth control) Large families (the importance of large families is beginning to diminish, no longer need large families to sustain ability to live) Social status (women rights education, work etc. ) Government have the ability to alter population in three ways: Pro-natal: promote to increase fertility (i. e. canada gives benefits to families that have more children) Anti-natal: promote to decrease fertility (one child policy in china: decreasing (or increasing) deaths via health-care, etc, encouraging/discouraging migration via immigration laws. Population pyramid: a diagrammatic representation of the age and sex structure of a population. Expanding populations: each generation is larger than the previous generation (pre-productive population > reproductive population > post-productive population) Diminishing populations: each generation is smaller than the previous generation.
