What to know for test

• how to navigate the cia.gov factbook
• net migration rate: the difference between the number of people entering and leaving a country during a year. found by entering-leaving
• life  expectancy: the average number of years to be lived by a group of people born in the same year
• population growth mostly takes place in developing nations 
• developing nations are poor and not totally set up in  infrastructure
• rate of natural increase is produced by subtracting the death rate from the birth rate aka. birth-death
• for a population to remain the same, the TFR( total fertility rate) must be 2.1
• there are three basic shapes to population pyramids
• christmas tree is for developing countries, they have a high birth rate and low life expectancy
• box shape is for developed population with slow pop. growth, meaning it has low infant mortality and long life expectancy
• cup shape is for developed nation with shrinking pop., has a low birth rate
• some specific examples of push forces: 1. Egypt doesn't give women all the rights that men have 2. Spain has rising unenployment levels
• some specific examples for pull forces: 1. Qatar's oil business offers many job opportunities for men 2. the good healthcare programs in Canada
• in population pyramids, men are on the left and women are on the right