population pyramids Flashcards
(25 cards)
What is a population pyramid?
A graphical representation of the age and sex distribution of a population.
True or False: Population pyramids can show the growth trends of a population.
True
What are the two main components of a population pyramid?
Age and sex.
Fill in the blank: The left side of a population pyramid typically represents _____ and the right side represents _____.
males; females
What shape is typically associated with a rapidly growing population in a population pyramid?
A triangular shape.
Multiple choice: Which of the following shapes indicates a stable population? A) Triangular B) Rectangular C) Inverted triangle
B) Rectangular
What demographic information can be inferred from the width of the base of a population pyramid?
The number of young dependents or potential future growth.
True or False: A population pyramid can indicate the life expectancy of a population.
True
What does an inverted population pyramid indicate?
A declining population.
Fill in the blank: A population pyramid with a wide top and narrow base indicates a _____ population.
aging
Multiple choice: Which age group is typically found at the top of a population pyramid? A) 0-14 B) 15-64 C) 65 and older
C) 65 and older
What is the significance of the dependency ratio in relation to population pyramids?
It measures the ratio of dependents to the working-age population.
True or False: Population pyramids can help in planning for healthcare and social services.
True
What does a population pyramid with a bulge in the middle age groups indicate?
A baby boom or a significant increase in birth rates during a certain period.
Fill in the blank: A demographic transition model describes the transition from _____ to _____ in a population pyramid.
high birth and death rates; low birth and death rates
Multiple choice: In which stage of the demographic transition model would you expect to see a triangular population pyramid? A) Stage 1 B) Stage 3 C) Stage 4
A) Stage 1
What does a population pyramid reveal about migration patterns?
It can show effects of immigration or emigration on the age structure.
True or False: Population pyramids can only be used for national populations.
False
What is the primary use of population pyramids in urban planning?
To assess future needs for housing, schools, and services.
Fill in the blank: Population pyramids can be used to analyze _____ trends over time.
demographic
Multiple choice: A population pyramid that is wider at the top than the bottom indicates what about the population? A) Young and growing B) Mature and declining C) Stable
B) Mature and declining
What type of population pyramid is characteristic of developed countries?
Rectangular shape.
True or False: Population pyramids can only represent one specific point in time.
False
What demographic factors can impact the shape of a population pyramid?
Birth rates, death rates, and migration.
