What are the stages of demographic transition theory?
The concept of demographic transition has four stages, including the pre-industrial stage, the transition stage, the industrial stage, and the post-industrial stage.
What are the issues of demographic transition theory?
The main challenges posed by the end of demographic transition include a lack of resources to provide for the entire global population, the effects of climate change, contamination and population ageing. Each region faces a distinct future based on levels of economic development, demographics and geography.
What are the 3 stages of population growth?
Stage 1—High birth and death rates lead to slow population growth. Stage 2—The death rate falls but the birth rate remains high, leading to faster population growth. Stage 3—The birth rate starts to fall, so population growth starts to slow.
What is the conclusion of the demographic transition theory?
Conclusion: The theory of demographic transition is the most acceptable theory of population growth. It neither lays emphasis on food supply like the Malthusian theory, nor does it develop a pessimistic outlook towards population growth.
Which country has the most old people in the world?
Top 50 Countries With the Largest Percentage of Older Adults
Rank | Country | % 65+ (of total population) |
---|---|---|
1 | China | 11.9 |
2 | India | 6.1 |
3 | United States | 16 |
4 | Japan | 28.2 |
Is any country in Stage 1?
No official country in the world is currently in stage 1. There may be small communities of humans that are in stage 1 of the DTM. Some Indigenous groups in the Amazon or Sub-Saharan Africa that are in stage one, but not all pre-contact Indigenous peoples have high birth rates and high death rates.
What are the four causes of overpopulation?
The Causes of Overpopulation
- Falling Mortality Rate.
- Underutilized Contraception.
- Lack of Female Education.
- Ecological Degradation.
- Increased Conflicts.
- Higher Risk of Disasters and Pandemics.
Who is known as the father of demography?
John Graunt
A corner of history: John Graunt, 1620-1674, the father of demography.