The United Nations has 192 members, as of May 1, 2008 (a really old data :P! - including Montenegro and Serbia - the two newest nations). That number does not include the Vatican, and it doesn't (yet) include Kosovo.
As to the United Kingdom (UK), a Nation with 3 States - England, Scotland and Wales, or 3 Countries?
Quebec did not succeed the 2nd referendum in 1995.
And the most intriguing story between the world #4th biggest and #137th biggest countries (relating to the U.S. foreign policy !@#$%^&*()_?~) will be continued next time ;P!