Population Pyramids and the Dependency Ratio

April 12th - Block 2.2

April 13th - Block 1.3

Dearest students,

For this class we looked at population pyramids and the dependency ratio. These are very important topics as there is always a provincial exam question on population pyramids and there is almost always one on dependency as well. Also please be advised that there will be a quiz next week, see below for more information.

Please note: In your Workbook the example of an early expanding population pyramid (Kenya 1985) is incorrect. Please put a giant 'X' through it and refer to the population pyramid shapes on your handout or in your Counterpoints textbook.

The following population pyramid is for Canada in 2006:

If you didn't make it to class today, here's what you need to do in the population pyramid handout.

Exercise #4:

• For question #1, do not calculate the actual population percentages, only hypothesize what they may be. 
• For question #2, choose two municipalities and create population pyramids for those. 
• There is no question #3. 
• For question #4, compare your two population pyramids and answer all of the questions except for part 'e'. Answer in point form.

Exercise #5 - Complete all questions. Answer in point form.

For every lesson I will have a list of important terms to know. I may not cover all of these terms in class but you should still develop an understanding of what they mean. Look in your Workbook for terms you're not familiar with. For this lesson the important terms to know are:

• population pyramids (PP)
• early expanding PP
• expanding PP
• stable PP
• contracting PP
• developing region
• dependency
• dependency ratio

Homework:

• Read pages 198-199 in the Workbook. Topics covered in this reading: Problems of Exponential Growth, China's One Child Policy, Birth Control.
• Study for Quiz! Will cover pages 187 to 199 in Workbook, anything discussed in class and any important terms listed on this blog.
• Block 2.2 - Quiz will be on April 18th.
• Block 1.3 - Quiz will be on April 19th.
• Complete exercises #4 and #5 in population pyramids handout. There will be a homework check next class.