Topic: Population Pyramids Definition- A bar graph that displays a countries population by age and gender. Below is an example of a Population Pyramid of Gambia. http://upload.wikimedia.org/wikipedia/commons/b/b5/Population_Pyramids_for_Gambia.png Basic summary: The basic idea of a Population Pyramid is to make it easy for demographers to ...Read More

5. Population Pyramids What are population pyramids?  What data do they show? How can geographers use population pyramids to better under­stand the demographics of a country’s population? What do population pyramids show us that we can’t see using other tools? What do population pyramids look like ...Read More

Here is the presentation (it is about 2.7 mb so give it a second to load): link from here or, Read More