If Facebook were a country, it would be the 3rd largest in the world in terms of population. Republic of Facebook would have several states the largest being the state of Zynga!

There are 500,000,000+ users of Facebook. Of those, 200 million users use it daily for an average of 55 minutes a day. If those users were all working for $5 an hour instead of going on Facebook, they would collectively earn $916,000,000 a day.

There are 1,500,000 active Facebook pages. The average value per fan is $136.38. Extrapolating on that, many celebrity pages would be worth enormous sums. For instance, Michael Jackson, with 13.3 million fans, would have a page worth $1.8 billion.

There are 550,000+ apps that are used on Facebook. Seventy percent of users engage with apps each month. There are one million app developers. Zynga, the top app developer, made $250 million in 2009. Of that amount, $80-$150 million is estimated to be profit, more net profit than Facebook itself made. The most popular Facebook apps are from Zynga.

More at VisualEconomics.

Today’s valuation of Facebook? $7.9-$11 billion!