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प्रश्न
Answer in detail :
Outline the importance of population pyramids in the study of populations.
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उत्तर
- Demographers use population pyramids to describe the age and genderwise distribution of the population.
- The Y-axis in the centre of this graph shows age groups, while X-axis shows the population or percentage of the people in specific age groups.
- The lengths of bars show the numbers or percentages of the population.
- The left side of the graph represents the males, while the right side represents the females.
- The base of the graph represents the children's population, while the apex represents the older people.
- The type of age structure has a direct influence on the future of a nation.
- Both extremes, i.e., old-age dependency and young-age dependency, prove to be a severe burden on a country's economy.
- On the other hand, a higher proportion of the working population means a large workforce.
- Population pyramids also tell us about the number of women and men in various age groups of the country.
- The gender distribution in a country is an important demographic characteristic.
संबंधित प्रश्न
A: Assertion: In the population pyramid, a broad base indicates a high number of children in a country.
R: Reasoning: Broad apex is an indicator of the high number of elderly in a country
A person who can write, read and do mathematical calculations in the country is known as ______.
How is sex ratio calculated in different countries of the world?
“The shape of the population pyramid reflects the characteristics of the population.” Support the statement with examples.
Narrow base of age-sex pyramid refers to ______.
Which of the following programs sponsored by the central government aims at enabling the rural population to conserve water for drinking, irrigation, fisheries and afforestation?
Highest sex-ratio in the world is found in a country of which of the following continent?
Which of the following is true about age sex pyramid?
- It depicts number of males and females in different age groups.
- It is of various shapes, depending upon the population of a country.
- Age-sex pyramid of Bangladesh and Mexico are similar.
Match the following and choose the correct option.
| Population | Pyramid shape |
| A. Constant population | 1. Perfect triangle shape |
| B. Declining population | 2. Bell shape |
| C. Expanding population | 3. Narrow Base & Tapered Top Shape |
Which one of the following is the largest linguistic group of India?
