A Population Pyramid is a tool we use to keep track of all the different countries population.
In class we watched the video I linked in my previous blog. We didn't finish it, but we talked about things like how these pyramids show how poor a country is or how rich a country is- in supporting their own country, with health care etc.
For example, in this pyramid:
It's the United States most recent population pyramid, the lines are much longer for the baby boomers (age 50-60) because they had a high reductive period.
We also talked about the three stages that countries go through:
- pre-industrialization: not much economic growth, like poor countries
- industrialization: periods like the baby boom stage; tons of economic growth
- post-industrialization: like todays economy
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