Population Pyramid video

Today in class we thoroughly dug deeper into the meaning of  a population pyramid. Mr.Schick stopped the video multiple times explaining multiple things. One of these things was how they divide the pyramid. They divide the pyramid into genders, men on the left, woman on the right. Some countries are pretty evenly matched, while others are very lop sided. Another topic was about the years. Pre-reproductive is 00-14, reproductive is 15-44, Post reproductive is 45-100+. If the pyramid looks like a triangle, the population grows quick(Pre-industrial). If it is shaped like an end loaded diamond, population grows slow(industrial). If it is shaped like top loaded diamond, the population is declining(Post-industrial).

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