Human Population Flashcards
What did Malthus say about human population?
Growing exponentially while food supply grows linearly
What does demography mean?
Study of human populations and population trends
What are 5 factors that drive human population growth?
Changes in population size, fertility, life expectancy, age structure, and migration
What is net migration rate?
Difference b/w immigration and emigration in a given year per 1,000 people in a country
What is a graphic device/ age structure diagram?
Bar graph showing the age and sex composition of a region AKA population diagram
What is the horizontal axis of the age structure diagram
Gender
Where is the male gender labeled on the age structure diagram
Left hand
Where is the female gender labeled on the age structure diagram
Right hand
What is the vertical side AKA y-axis of the age structure diagram?
5 year or 10 year age groups
What does a wide base mean on a population pyramid?
High Birth Rate
What does a steep slope mean on a population pyramid?
High Death Rate
What does a shallow slope mean on a population pyramid?
Reduced death rate
What does a wide base mean on a population pyramid?
High birth rate
What happens when the birth rate > death rate?
Rapid population growth
Do developing or developed countries have
birth rate > death rate?
Developing
What does a base becoming narrower with a negative slope indicate on a population pyramid?
Reduced birth rate
