The easiest way to get started
Quiz yourself by typing answers
Hear the words and type them in
Multiple choice, true/false, matching
Match terms as fast as you can
Defend Earth from alien invaders
Number of Births in a year for every 1,000 people
Number of Deaths in a year for every 1,000 people
Study of human population
Number of old and young people
How long your expected to live
Total fertility rate that replaces population
Total Fertility Rate
Average number of children for a woman
Rapid Growth Rate
Birth Rates remain high as economic development begins. But death rates fall as food supplies increases and health care improves.
Slow Growth Rate
As the economy improves, birth rates drop. Death rates stay low, and population growth begins to slow down
Negative Growth Rate
In developed countries, both birth rates and death rates drop to low levels. As a result, there is little or no population growth. Over time, birth rates may fall behind death rates, resulting in a shrinking population
Someone who was born in the baby boom
How many people in a country
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions above and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see