Discuss this video: http://www.reddit.com/r/CGPGrey/comments/1p2m6g/how_many_countries_are_there/
Help support videos like this: http://www.cgpgrey.com/subbable
NEW UK-EXPLAINED POSTERS: http://goo.gl/Qw6UME

Special thanks to:

OilyRaven
Chris Hokanson
Will, the Rith King
Kyle Whitehouse
Bjoern Schumacher c/o bscon
Daniel O’Connell
Caleb Hiddleson
Americanwolf10
dimitry
@CNG
Hamish Mackinnon 🙂 (with one leg)
Bernadette Sisk
Steve Dutfield (@SteveDuts)
His Royal Highness King Samy II Son of Hamed I of the Original Greek City of Philadelphia.
@awesomenerdMD
Patrick W. Gilmore
Tsyren Balzhanov
John Levin
@TelliLace
EratosthenesdeCyrene (Miguel Rothe)
Jesse L Hunter
Greg Leask
Ivan Garcia
Ivan Garcia
Conan Kudo (ニール・ゴンパ)
Jokteur
Greg Carlson
David Buchanan
Kira E. Lanier
Liana Marinescu
Kellie Curtis Malone