Overview of global population growth over time

1. Life in a World of 6 Billion People
1804 1 billion
1927 2 billion 123 years
1960 3 billion 33 years
1974 4 billion 14 years
1987 5 billion 13 years
1999 6 billion 12 years
2012 * 7 billion 13 years
1. at the current pace humanity is adding about 78 million
people per year - the population of France, Greece and Sweden
combined, or a city the size of Ottawa every four days
2. since the beginning of humanity, an estimated 75 billion
people have been born and died... 6.3 billion of whom are still
alive
3. this amounts to 81 billion people ever born on planet earth
* Source: US Census Bureau Press Release
Thursday June 19th, 2008
http://www.census.gov/Press-Release/www/releases/archives/population/
012112.html