Is the world population growing?

Is the world population growing? If yes, how long will it grow like this and does religion have a role to play in this?
In this amazing video (posted a year ago), Hans Rosling explains where the world population is headed and what role does religion play in it. This is a fantasitic example of what we can do with open/public data and how it can give insights unlike never before.

You can find more about Hans Rosling and his work here