population and settlement

Today in class we learned about population. There are 7.5 billion on the planet right now and increasing by 73 million per year that is approximately 200,00 people per day which is 8377 people per hour. 90% of this population takes place in developing countries like Africa, South and East Asia, and Latin America. The average number of years to be lived by a group of people born in the same year.
High: Monaco (89.52 total: 85.63 men, 81.97 women).
#42: U.S. (79.88 total: 77.32 men, 81.97 women).
Low: Chad (49.81 total: 48.64 men, 51.03 women).
Crude birth rate: number of births per 1,000 of the population.
Crude death rate: number of deaths per 1,000 of the population.
Rate of natural increase (RNI).
produced by subtracting the death rate from the birth rate this gives us the annual natural growth rate- in percentage form- for a country region.
Net Migration: the difference between the number of persons entering and leaving a country in a year.
an excess of persons entering the county is net immigration. 
an excess of persons leaving the county the county is net immigration.
Why do people migrate 
push forces

• war 
• environmental degradation 
• unemployment or underemployment  
• religious or ethnic persecution 

pull forces 

• better economic degradation 
• better heath services 
• religious freedom 
• political freedom

TFR: average number of children born per woman