Notes!!!!

-Life expectancy- the average number of years to be lived by a group of people born in the same year.
-Crude birth rate- number of births per 1000 of the population.
-Crude death rate- number of deaths per 1000 of the population.
-Rate of National increase- produced by subtracting the death rate from the birth rate.
-Immigration-Entering the country.
-Emigration- Leaving the country.
- Push forces- civil war, environmental degradation, unemployed or unemployment, religious or ethnic             persecution.
-Pull forces- better economic opportunity better health services, religious/political freedom.
-Total Fertility Rate- average number of children born per woman
-Net Migration Rate- the difference between the number of persons entering and leaving a country during a     year.
           
We went over population pyramids. We discussed and learned what the different pyramids were. The different pyramids include the Christmas Tree, The Box, The Cup. We use population pyramids to analyze growth (or decline) of fertility, mortality, and migration in cities. The Christmas tree symbolizes that it is a developing nation, the growth rates are slow, a very high birth rate, but a short life expectancy (Nambia, Bangladesh). The Box symbolizes a developed nation, low infant mortality, slow population growth, and a long life expectancy (Sweden, USA). The Cup symbolizes a developed nation;negative growth, low birth rate, shrinking population, long life expectancy (Italy, Japan).