• Graphically representing the age and gender distribution of a certain population
• Can be represented by region or country
• Human geographers can determine what the populations across the Globe
• Population pyramids there are male on left female on right old on top young on bottom
• Percentage of population under 15 is 30% in Europe it is only 17% it is 42% in Africa
• life expectancy- is number of years someone is expected to live
1. B has a higher life expectancy because there are older people in it
2. A has a larger young population because there is a bigger bar at the bottom
3. A will be bigger because the young people will get older
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