Geography – 1. Population and settlement | e-Consult
1. Population and settlement (1 questions)
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The Demographic Transition Model (DTM) is a model that illustrates the historical changes in birth and death rates, and therefore population growth, in countries as they develop. It is typically divided into five stages:
| Stage 1: High Stationary - High birth rates and high death rates, resulting in a stable, low population. Often associated with pre-industrial societies. |
| Stage 2: Early Expanding - Death rates begin to fall due to improved sanitation, healthcare, and food supply. Birth rates remain high, leading to rapid population growth. |
| Stage 3: Late Expanding - Birth rates begin to fall due to increased access to contraception, higher levels of education (especially for women), and urbanization. Population growth continues, but at a slower pace. |
| Stage 4: Low Stationary - Both birth rates and death rates are low, resulting in a stable, high population. |
| Stage 5: Declining - Death rates exceed birth rates, leading to a decline in population. Often associated with aging populations and economic stagnation. |
The DTM allows us to compare population trends across different countries. For example:
- Developed countries (e.g., UK, USA, Japan) are typically in Stage 4 or 5 of the DTM, with low birth and death rates and stable or declining populations.
- Developing countries (e.g., Nigeria, India) are often in Stage 2 or 3, experiencing rapid population growth due to high birth rates and declining death rates.
- China has transitioned through the stages, currently considered to be in Stage 4, although it faces challenges related to an aging population and declining birth rates.
However, the DTM is a simplified model and doesn't account for all the factors that influence population change. It also assumes a linear progression through the stages, which isn't always the case.