Population Pyramids LG3: Create and analyze population pyramids and make predictions about future...
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Transcript of Population Pyramids LG3: Create and analyze population pyramids and make predictions about future...
Population PyramidsLG3: Create and analyze population pyramids and make predictions about future population trends. TEK 7A
Success Criteria: Students will be able to identify and analyze the different parts of a population pyramid Students will be able to construct a population
pyramid Students will be able to predict future population patterns using population pyramids
Population Pyramids
Definition• A graph that shows the
gender/age composition of a population at a specific time.
• It consists of two horizontal bars that represent the male and female populations in a country at different age groups.
Purpose• Analysis of population
pyramids allows us to determine slow, rapid, or negative population growth rates.
Pyramid
the pyramid
Directions:
Process• Analyze the following
population pyramids• Write down the country
name• Then answer the following
questions for each population pyramid
Questions1. What type of growth is
reflected in the graph? Rapid, Slow, or Negative
2. What level of development is reflected in the graph? More, Newly Industrialized, or Less
Why are the largest percentage of people between the ages 50-54?
What has curtailed the population growth in this country?
What will happen to this country if the current population trend continues?
What has contributed to the recent drop-off in birth rates?
What has slowed the increase in birth rate?
Why is only 10% of the population over the age of 50?
Why is such a large percentage of the population below the age of 40?
What social issue will be of growing concern in the coming years?
Demographic Transition Model
Stage 2: Industrializing - High Birth/Rapidly Decreasing DeathNewly Industrializing - Transition from Primary to Secondary Economic Activities
Stage 1: Pre-Industrial -High Birth/High Death
Less Developed - Primary Economic Activities
Stage 4: Post-Industrial - Low Birth/Low Death
More Developed- Mostly Tertiary Economic Activities, emergence of Quaternary Economic Activities
Stage 3: Industrialize - Rapidly Decreasing Birth/Low Death- Newly Industrializing Mostly Secondary Economic Activities, Emergence of Tertiary Economic Activities
Demographic Maps
Map Types• Population density
map is a map that shows the distribution of people in a certain geographical area.
• CartogramA map in which some thematic
mapping variable is substituted for land area or distance.
GDP Cartogram
Electoral College Cartogram