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Population Pyramids.

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Presentation on theme: "Population Pyramids."— Presentation transcript:

1 Population Pyramids

2 https://www. facebook. com/TEDEducation/videos/2550467798299744/

3 How to read a Population Pyramid
Elder Dependents Working Population Take your twizzlers and create the mens side of pyramid on your blank sheet of paper. You should have 21 groups. Make sure to label the age groups (0-4), (5-9) – etc. Create the women’s side with twizzlers Then go over the three areas of the pyramid – youth depends, working population, elder dependents When you’re done going over the basic components, discuss how population pyramids are meant to change … use the link below to give students a visual of how pyramids change over time Youth dependents

4 Lets make some predictions…
Make sure your twizzler pyramid looks like this. What predictions can you make about the youth dependency ratio? What predictions can you make about the elder dependency? What predictions can you make about the working population? CBR? CDR? TFR? As kids are making these predictions, have them write in their BOK … they should be trying to determine what part of SPEND each answer falls under.

5 Demographic Characteristics
Birth rate HIGH or LOW? HIGH! How can you tell this? It has a wide base! That means tons of babies! Life expectancy LOW or HIGH? LOW Small # of people at the top – means they’re not making it to old ages What can you tell about population growth? Rapid! (Hence the name of the pyramid) Remind them that Demographic means people! Have them write the answers to the questions in their BOK

6 Social Characteristics
Young population! How is this helpful? More adaptable to change and new progress Less need for immigrant labor in the country Why? Have enough people in the working force Less education overall Men or women going to be affected by this? Women! Women aren’t getting an education Think about how education and TFR are related Talk about what social means! (Yes freshmen won’t always know what this means) Make sure students are connecting that the wide base = higher birth rates … higher birth rates = less education for women

7 Political Characteristics
How do you think government can get involved? Government likely to implement an anti-natalist policy Anti-natalist = ways to limit population growth Example: One Child Policy (now Two Child)

8 Economic Characteristics
What characteristics can you predict about the workforce? Expanding or large workforce  What? How can you tell? Remember, the population pyramid is always moving (you must predict what it looks like in 5 years) What can you tell about the youth dependency ratio? High? Low? HIGH Why is this a problem?   Babies cost money! Gov. has to spend $ on schools, daycares Have students move their twizzlers up 10 years so they can see what happens to the working force. They need to be able to see that it is expanding as population pyramids are moving!

9 Economic Characteristics
What characteristics can you predict about the elder dependency ratio? High or low? Low! That’s good! Now you don’t have to spend $$$ on transfer payments Transfer payments = anything you receive but didn’t do a productive service to earn Examples: medicare, food stamps. social security What predictions can you make women in the workforce? Less women Why? Not educated – having a family instead

10 Economic Characteristics
What predictions can you make about types of jobs? Lower level jobs because of a less educated workforce Agriculture, mining, fishing, etc.

11 Environmental Characteristics
How does the environment have anything to do with population? Resources! Too many people = not enough natural resources Agriculture! Most people are subsistence farmers Could lead to overuse of the land You may need to discuss how you can tell that resources are being strained just by looking at the pyramid.

12 What would you name this pyramid?

13 Demographic Characteristics
What does demographic mean again? List some demographic vocab terms! CBR, CDR, TFR, replacement rate, life expectancy, IMR

14 Demographic Characteristics
Birth rates high or low? Lower than a rapid growth pyramid! Death rates? Declining Life expectancy? Increased Overall population? Growing! But slowly! Make sure every student understands how to read demographic characteristics … it may be helpful to have them move their pyramid up 5-10 years so they see population is rising, just not as much Start making connections about life expectancy and access to healthcare!

15 Social Characteristics
What does this pyramid tell you about women? More women in the workforce! Means higher level of education for women

16 Political Characteristics
What does this pyramid tell you about the elder dependents? Growing Government will have to make decisions on transfer payments

17 Economic Characteristics
What does the pyramid tell you about women in the workforce? More! More educated - more education means higher paying jobs which means more money in to economy! Overall workforce = more educated High or low youth dependency ratio Lower! Less need to build schools High or low elder dependency ratio? Higher! Gov. must think about transfer payments

18 Environmental Characteristics
Country industrializing which means more factories Factories = more pollution Urban sprawl Good time to discuss how countries can move from a rapid growth pyramid to a slow growth pyramid...hence the concept of urban sprawl becoming a factor

19 What would you name this pyramid?
Negative growth

20 Demographic Characteristics
Birth rates high or low? Low - population is declining! Life expectancy? High! Overall population? Negative Infant mortality rate? Declined More elders than youth dependents

21 Social Characteristics
Labor shortage means a need for more labor! Immigrant labor needed to offset this Immigrants can cause social backlash Prediction about women? More in the workforce Higher over level of education -Can use Japan as an example. Japan is xenophobic and struggle to bring in outsiders to help their labor shortage in the secondary sector

22 Political Characteristics
More immigration laws (Remember: need more immigrant workers) p More money spend on transfer payments Increase in pro-natalist policies Pro-natalist = increasing birth rates

23 Economic Characteristics
Higher education! What does this have to do with the economy? Higher education = higher level jobs Higher level jobs = more money into the economy Low youth dependency ratio Less need to spend on schools/daycares High elder dependency ratio More money on transfer payments Possible future labor shortages Fewer consumers Causes economy to contract

24 Environmental Characteristics
More industrialized country = more pollution Land taken for manufacturing & services Urban sprawl


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