8000
According to London2012 site there are 289 Italian athletes participating in the 2012 Olympics.
2012 Summer Olympics: Canada = 281 (per London2012.com)
25
14000
More than 11,000 athletes
2 athletes from Albania will compete at the 2014 Winter Olympics at Sochi, Russia.
6 athletes from Andorra will compete at the 2014 Winter Olympics at Sochi, Russia.
7 athletes from Argentina will compete at the 2014 Winter Olympics at Sochi, Russia.
4 athletes from Armenia will compete at the 2014 Winter Olympics at Sochi, Russia.
61 athletes from Australia will compete at the 2014 Winter Olympics at Sochi, Russia.
130 athletes from Austria will compete at the 2014 Winter Olympics at Sochi, Russia.
5 athletes from Azerbaijan will compete at the 2014 Winter Olympics at Sochi, Russia.