9/19/14

Today's notes from class.

• right now there are 7 billion people on the earth
• the number is increasing by over 73 million per year
• per day - 201,000 people
• 8377 people per hour
• 140 people per minute
• 2.3 per second
• 90% of the population growth takers place in the developing countries of Africa, South and East Asia, and Latin America

Population - 

1804 - 1 billion people 

1927 - 2 billion people

1960 - 3 billion people 

1974 - 4 billion people

1987 - 5 billion people

1999 - 6 billion people

2011 - 7 billion people

Life Expectancy - the average number years to be lived by a group of people born in the same year

highest - Monaco 

          average - 89.68 years

#50 - United States

          average - 78.49 years

Lowest - Chad 

          average - 48.69 years