Originally Posted by Lord Arthas
I found out that Russia has a population of 143 million. I thought it was much higher, like close to 300 million
You haven't been receiving the correct answers to your post.
The Soviet Union
had a population of roughly 300,000,000 until its collapse in 1991. And since most westerners commonly associated Russia -- just one among multiple states that made up that mess -- with the USSR itself, it's an easy assumption to make.