Population Explosion
- Created by: lukipotato
- Created on: 11-04-18 08:55
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- Population Explosion
- Birth rate- the amount of births per 1000 people per year
- Death rate- the number of deaths per 1000 people per year
- Life expectancy- the average age that a person may live to
- Natural increase= birth rate - death rate
- Factors affecting population density
- Height of the land can affect where people live in terms of making money through farming
- The amount of resources can affect the amount of wealth that can be generated in a country.
- The number of jobs in a country can entice or push people away from a country.
- People would rather live in a democracy over a dictatorship or a politically corrupt country.
- DTM
- Stage 1- Birth rate is high and steady due to high infant mortality. Death rate fluctuates
- Stage 2- Birth rate and death rate decrease due to medical advancemen-ts in hygeine
- Stage 3- Birth rate decreases rapidly because children aren't as valuable. Death rate is steady as the main killer are rare diseases
- Stage 4- Birth rate fluctuates due to incentives and the death rate is steady due to old age killing the most people
- Population pyramids
- Wide base means high birth rate, narrow base shows low birth rate.
- Wider peak means high death rate, narrower peak shows low death rate
- Wide middle shows a big workforce, which helps the country become more developed
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