Jeion Ahmed Expert
Population by age and sex A pyramid graph shows the age and sex distribution of people in a country or region over time.
A population pyramid shows the number or percentage of males and females along the ‘X’ axis and the age order along the ‘Y’ axis, with the age order of males to the left and the age order of females to the right of the ‘Y’ axis.
Looking at China’s population pyramid, it is understood that by 2057, the dependency ratio of their elderly and youth will increase greatly, that is, at that time the country will have a large elderly population and there will not be enough young people to serve the elderly.
Age and gender based population pyramid gives an idea about the level of Demographic Transition.
The variation in the age distribution of men and women is noticeable.
Dependency Ratio can be understood.
An estimate can be made about the socio-economic situation of a country or region.
An idea of birth rate, death rate and population growth rate is obtained.