Population Studies: Defining Terms

Life Expectancy:
The length of life averaged out.

Japan: 82.6, and #1 in the World.

France: 80.7, and #8 in the World.

Kenya: 54.1, and #167 in the World.

Cuba: 78.3, and #36 in the World.

United States: 78.2, and #38 in the World.

Afghanistan: 43.8, and #188 in the World.

Crude Birth Rate:
The average amount of babies born per year.
China: 14 births/1000
Kenya: 36.64/1000
Ethiopia: 43.66/1000
United States: 13.38/1000
Germany: 8.18/1000


Death Rate:
The amount of death's averaged out per year.

Japan: 9.54, and #69 in the World.

Kenya: 9.72, and #67 in the World.

United States: 8.38, and #99 in the World.

Mexico: 4.80, and #192.

RNI:
The Rate of Natural Increase is the birth rate minus the birth rate.


TFR:
The average amount of babies a woman will have each in a life time average.
United States: 2-3
Afghanistan: 2-3
Japan: 3-4
Saudi Arabia: 3-4
Argentina: 3-4
Niger: 6-7
Uganda: 4-5
United Arab Emirates: 3-4
If the TFR has to be 2.1 if it's lower the amount of people goes down and if it goes above the amount increases. 


Population Pyramid:


Net Migration: is the difference of immigrants and emigrants of an area in a period of time, divided by the 1000 inhabitants.