A lot of work

Life Expectancy-
is the expected (in the statistical sense) number of years of life remaining at a given age.

• Japan- 82.12 years
• france-80.98 years
• kenya-57.86 years
• cuba- 77.45 years
• united states-78.11 years
• Afghanistan-44.4 years

Crude birth rate-
 is the nativity or childbirths per 1,000 people per year

• Japan: 7.64
• Kenya: 36.64 
•  Ethiopia: 43.66 
• United States: 13.83

Rrate of Natural Increase-
  is the crude birth rate minus the crude death rate of a population


Total Fertility Rate-
 the average number of children that would be born to a woman
Niger: fertillity rate 7.68 children born / woman, #1 in the world
Afghanistan: 5.5 born woman # 13 in the world
Japan: 1.2 born woman # 218 in the world
United States: 2.06 children born woman # 126 in the world
Germany: 1.42 children born woman # 196 inthe world
Net migration rate-
is the difference of immigrants and emigrants of an area in a period of time

• Mexico: -3.61
• United States: 4.32
• United Arab Emirates: 22.98
• Argentina: 0
•  Saudi Arabia: -7.6
• Uganda: -8.83

A population pyramid-
 is a graphical illustration that shows the distribution of various age groups in a human population

push and pull factors make people migrate
www.wikipedia.org/  https://www.cia.gov