It's amazing to see what a large or small percentage of people would identify with you. It puts things into perspective in a whole new way, with a little visual help. Roll over any of the listings to get a clear sense of how large or small a population might be. View disclaimer.
Though this little exercise doesn't show every community in the world, it should give you an idea of what the world would be like if there were only 100 people to represent everyone on the planet.
Sorry, but you will need Flash to view this file.
Citizens - Insight on traveling for citizens, by citizens.
Abridged - Practical ideas to make the journey not strictly business.