About how many people live on the earth?

Question: About how many people live on the earth?
- Keywords:
  earth,
  people,
  population,
  society
Asked by keeta to Audra, Fiona, Gavin, Justin, Steve on 14 Mar 2012.
- Fiona Hatch answered on 14 Mar 2012:
  
  I don’t know the answer myself, I had to google it. But according to the World Bank/United Nations, the world population in 2012 is estimated to be just over 7 billion people (7,000,000,000).

Question: About how many people live on the earth?