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
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.
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.
24 athletes from Belarus will compete at the 2014 Winter Olympics at Sochi, Russia.
7 athletes from Belgium will compete at the 2014 Winter Olympics at Sochi, Russia.
7 athletes from Argentina will compete at the 2014 Winter Olympics at Sochi, Russia.