I see you have been lurking so I'll shout out a HAPPY BIRTHDAY
Gormal 17x Int Osa Mr-Smartypants 16x Int Enu
There are a infinite number of worlds, because there is an infinite amount of space. Only a finite number are inhabited. A finite number divided by infinity is as near to nothing as makes no odds. Therefore the population of the Universe can be said to be zero and any people you may meet are merely the products of your deranged imagination.