Well ,this is interesting.According to this the Wii has just reached the 26 million shipped number.The source is Nintendo in the mouth of Stephan Bole ,representant of NIntendo France.The sales of the Wii in France would be (shipped data) some 1.8 million consoles.
http://www.jeux-france.com/news28031_26-millions-de-wii-dans-le-monde.html