Answer:
The graphs represent the age structure of two different countries. Niger is an undeveloped country, whereas the United States is a developed country.
In the United States, the population of males between 0 to 50 years is more as compared to the female population in this age group.
The number of children in Niger is more as compared to the number of old people. It shows that the birth rate is very high in this country.
In United States, the majority of the population lies between the age group of 20 to 50 years, which indicates more number of individuals that can work and earn. However, in Nigeria, the population between 20 to 50 years of age is very low.
Step-by-step explanation: