- In 1800 the world’s population was 1 billion
- In 2045 it could be 9 billion
- Every second, 5 people are born and 2 people die
- 1960: the average person lived 53 years
- 2010: the average person lived 69 years
- 2008: 70% of us lived in megacities* versus rural areas
- In 1975, there were only 3 megacities Mexico City, Tokyo and NYC
- Now in 2011 there are 21 megacities
- Standing shoulder to shoulder, all 7 billion of us would fill up Los Angeles
- 5% of us consume 23% of the world’s energy
- 7 billion people are speaking 7000+ languages in 194 countries
*megacity = more than 10 million people
