Population Pyramids

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15 Terms

1

population pyramid

a bar graph representing the population of a country broken down by age and sex (male or female)

<p>a bar graph representing the population of a country broken down by age and sex (male or female)</p>
2

age cohort

age groups represented on the y-axis of a population pyramid (0-4, 5-9, 30-34, etc.)

<p>age groups represented on the y-axis of a population pyramid (0-4, 5-9, 30-34, etc.)</p>
3

three shapes of population pyramid

expansive, constrictive, and stationary

<p>expansive, constrictive, and stationary</p>
4

expansive pyramid shape

triangle shape: wide base (bottom), narrow top

<p>triangle shape: wide base (bottom), narrow top</p>
5

stationary pyramid shape

rectangular: roughly even bars from top to bottom

<p>rectangular: roughly even bars from top to bottom</p>
6

constrictive pyramid shape

diamond shape: narrow base (bottom), wide middle and top section

<p>diamond shape: narrow base (bottom), wide middle and top section</p>
7

expansive pyramid growth rate

rapid growth

<p>rapid growth</p>
8

expansive pyramid birth rate

high/very high birth rate

<p>high/very high birth rate</p>
9

expansive pyramid level of development

underdeveloped

<p>underdeveloped</p>
10

stationary pyramid growth rate

slow or stable growth

<p>slow or stable growth</p>
11

stationary pyramid birth rate

low or stable birth rate

<p>low or stable birth rate</p>
12

stationary pyramid level of development

developed

<p>developed</p>
13

constrictive pyramid growth rate

negative growth (population is shrinking)

<p>negative growth (population is shrinking)</p>
14

constrictive pyramid birth rate

very low birth rate

<p>very low birth rate</p>
15

constrictive pyramid level of development

highly developed

<p>highly developed</p>