Thank you for your question 'How many teams are participating in the 2010 Winter Olympic Games?'

The 2010 (21st)Winter Olympic Games has a total of 82 participating counties.

There are 7 countires participating for the first time in the Winter Olympics and 7 countries that are not participating that have done so in previous games.

More information about the teams, events and information about the 2010 Winter Olympics can be found at:

http://en.wikipedia.org/wiki/2010_Winter_Olympics#Participating_teams

You can follow the Olympic events and number of medals awarded so far at:

http://www.vancouver2010.com

Thank you again for your question! If you have any more questions, please ask again.

Enjoy the Olympics!