Population Pyramids display age and sex distributions for a given area, which forms the shape of a pyramid when the population is growing. The population pyramids are broken in half by two back-to-back bar graphs of the Male gender population shown on the left half and the female population on the right half. The vertical y-axis depicts all age groups for that region and the horizontal x-axis depicts the population in millions. The above image is a population pyramid for the Angola Population in 2012. Here you can clearly see the pyramid is split in to two bar graphs for the male population on the left and the females on the right. The Y-axis depicts their ages and the X-axis conveys the population in millions of people.
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