Busy. Please wait.
or

Forgot Password?

Don't have an account?  Sign up 
or

taken
show password

why

Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.


Already a StudyStack user? Log In

Reset Password
Enter the email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards




share
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

PopPyramid

Population Pyramid Geoterms

TermDefinition
Demography The study of human populations, and how they change due to births, deaths, aging, and migration
Dependency ratio The number of old and young people who don't work compared with the number of people who do work
Life expectancy The average age a person is likely to live
Replacement rate The total fertility rate needed for a population to replace itself
Total fertility rate the average number of children a woman will have in her lifetime
Pension A fixed amount of money paid to a retired person by a government or former employer
Baby boom A sudden increase in the birth rate
Cohort A group or section, for example 0-4 is one cohort on a population pyramid
Created by: 717569490