Population profile.

http://camellia.shc.edu/literacy/tablesversion/assignments/statisticsassign.htm

This map conveys the population profile for Mobile county, dividing the population into two groups based on gender and age. The x and y axes display contrasting values, showing the division of age into increments of 4 years on the y-axis and percentages of each age class to the total population on the x-axis. This map qualifies as a population profile due to its ability to demonstrate the effects of how population changes with age, showing the effects of mortality and migration on each gender's population.