Cat among the pigeons: Are 'world' indicies really global?

The sun is out and I've been plotting a trip to Paris for the Olympics. Unfortunately, my initial research showed that I might have to walk there and couch surf… 15 million people are expected to descend on the 'city of love' during the Games to show support for one (or more!) of the 206 countries competing. Aside from working out my personal logistics (is Megabus still going?!), the scale of this got me thinking about how many countries there were in the world. It's not as obvious as you might think… FIFA has 211 member associations. As above, there are 206 National Olympic com...