what does population pyramid show ?
Answers
Explanation:
A population pyramid is a graph that shows the distribution of ages across a population divided down the center between male and female members of the population. ... Expansive pyramids mean that the population does not increase much in total number and has many young people..
Answer:-
A population pyramid refers to the graphical presentation of the population structure based on an age-wise increase or decrease of male-female population of a country. Population is distributed on the X-axis. The male population is shown on the left while the female population shows on the right the Y-axis represents the age group.
Comparison of population pyramids of a particular country over a period of time gives us a clear idea of life expectancy , fertilization rate the international migration .Pyramid of a developing and developed country to understand international migration. Pyramid of a developing and a developed country to understand the pattern. The tapering top of the pyramid shows high mortality rate. A rectangular base of the pyramid shows low birth and death rate.
↪ More Information ↩
- Population refers to the total number of people in habiting a specific area.
- Density of population means in number of people per square kilometres.
- Factors affecting population change
- ◼ Crude birth rate
- ◼ Migration
- ◼ Crude death rate
- ◼ Population growth rate.