what is age sex pyramid?How does it help in population studies?
Answers
Answer:
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Explanation:
An age-sex pyramid breaks down a country's or location's population into male and female genders and age ranges. Usually, you'll find the left side of the pyramid graphing the male population and the right side of the pyramid displaying the female population.
Along the horizontal axis (x-axis) of a population pyramid, the graph displays the population number. It can represent a total population of that age—the total number of males/females who are of a certain age. Or, the number can stand for a percentage of the population at that age—how many percent of the entire population are of a certain age. The center of the pyramid starts at zero population and extends out to the left for males and right for females in increasing size or proportion of the population.
Along the vertical axis (y-axis), age-sex pyramids display five-year age increments, from birth at the bottom to old age at the top.