Question

What are some important concepts of demography?

Answer 1

1. Birth Rate: The number of live births per 1,000 people in a population in one year.

2. Death Rate: The number of deaths per 1,000 people in a population in one year.

3. Fertility Rate: The average number of children a woman is expected to have during her lifetime.

4. Replacement-Level Fertility: The fertility rate needed to maintain a stable population, which is approximately 2.1 children per woman.

5. Life Expectancy: The average number of years a newborn is expected to live under the prevailing health and living conditions.

6. Migration: The movement of people from one place to another, either within a country or across countries.

7. Population Composition: The structure of a population based on factors such as age, gender, education, and occupation.

8. Sex Ratio: The number of females per 1,000 males in a population.

These concepts help us understand the size, structure, growth, and changes in a population.