The various 'Population Clocks' on the internet vary by around 150 million a percentage of 2.2%, even then these are statistically calculated numbers and who trusts statistics?

That being said there seems no better way of working it out so here goes!

The M:F ratio is favoured slightly toward men but only by one single percent.


Sources:
www.census.gov/main/www/popclock.html
www.poodwaddle.com/clocks/worldclock/