Egypt has been in the news lately as young people have demonstrated in Tahrir Square, demanded the resignation of President Hosni Mubarak, and begun the reorganization of their country's government. News agencies have show population pyramids to illustrate the proportion of Egypt's population that is under stress and involved in these demonstrations.
in this timely investigation students study population pyramids to understand the social, health, and future predictions that can be gleaned from this kind of chart?
Population pyramids from United States, Haiti, and Japan are also examined to further demonstrate the implications of the chart's shape and swells. Population percent growth and the needs and trends for the future are considered and calculated.