Population Pyramids & Population Density

What is a population pyramid?

• A graph that shows the age and sex of a given population

• A measure of how many people live within a given area

• A map that uses patterns or colors to show population density

• A calculation of population divided by area

What controls the shape of population pyramids?

• Birth rate, death rate, and life expectancy

• Migration and population density

• Dependency ratio and infant mortality

• Policy planning and future job availability

What does a triangle or Christmas tree-shaped population pyramid indicate?

• Rapid growth in a developing nation

• No growth in a developed nation

• Negative growth in a developed nation

• Equal and balanced population in a developed nation

What does a diamond or beehive-shaped population pyramid indicate?

• No growth in a developed nation

• Rapid growth in a developing nation

• Negative growth in a developed nation

• Equal and balanced population in a developed nation

What is the main use of population pyramids in policy planning?

• Determining future need for schools, nursing homes, and daycares

• Comparing developed, developing, and underdeveloped countries

• Analyzing struggles faced by countries and their impact on populations

• Assessing the current and future dependency ratio

What does a narrow base on the population pyramid indicate?

• Growing fast

• Growing slow

• No change

• Shrinking

What type of population is represented by a box-shaped population pyramid?

• Growing slow

• Growing fast

• No change

• Shrinking

What type of population is represented by a triangle or Christmas tree-shaped population pyramid?

• Growing slow

• Growing fast

• No change

• Shrinking

What does a wide base and narrow top on the population pyramid indicate?

• High birth rates and high death rates

• Low birth rates and high death rates

• High birth rates and low death rates

• Low birth rates and low death rates

What does a population density map show?

• Patterns or colors indicating how many people live in a given area

• The age and sex distribution of a population

• The birth and death rates of a population

• The future need for schools, nursing homes, and daycares