So, I've just taken a turn through the jewgle, and have yet to link to ANY site that actually generates numbers or percentages of the world population by race.
Now there are lots and lots and lots of links that purport to locate such sites, but as you follow the patterns it becomes increasingly clear that the World Wide Web is NOT designed to yield this information:
Tons of obfuscatory blather and just plain reporting different/other data.
So, here's a thread to see if VNNf can produce some links that actually discuss data on the final approximate numbers of the races of the world. If you should stumble across one please post it here.