Population Composition

Flashcards about population composition and demographics.

Who are demographers?

People who study the demographics of human populations.

What are demographics?

Statistical data relating to the population and groups within it.

What is a population pyramid?

An age-sex composition graph that can provide information on birth rates, death rates, life expectancy, economic development, migration, and past events like natural disasters, wars, epidemics, etc.

What is the vertical axis on a population pyramid?

Age groups (Cohorts) in five year intervals from 0 to 100

What population values are indicated on the horizontal axis of a population pyramid?

Percentage

In a population pyramid, which side shows the male population?

Left

What type of population does a pyramid shaped population pyramid represent?

Growing Population

What type of population does a population pyramid which looks like it could topple over represent?

Declining Population

What type of population does a population pyramid with a square base represent?

Stable Population

What is a birth deficit?

A slowdown of births, often occurring during times of conflict, economic downturn, or cultural shifts.

What is a baby boom?

A spike in birth rates, typically occurring after a period of war.

What is a baby bust?

The end of a baby boom, lasting until boomers reach childbearing age.

What is an echo in population terms?

A spike in birth rates once baby boomers have reached childbearing age.