The answer depends on the significance of "almost". If I owed 6.9 billion and someone took 7 billion, then I would not be happy about it. Having said that, 6.9 billion rounded to the nearest billion is 7 billion.
9.8571
almost 7 billion
almost 7 billion .
Almost, it is currently 6.9 billion.
Almost 7 billion.
almost 7 billion
Almost 7 billion now.
Almost 7 billion.
it's 69 x 109
As of October 2014 the population of the planet is ~7.125 billion.
69 billion (giggety) 69 billion (giggety)
0.276