Still in doubt? Then read this article.

‘No wonder the mother of parliaments is being spurned by her children. The collapse of communism in 1989 led to dozens of new democracies. None of them has settled on the British system of first past the post.

Even the old Commonwealth is turning its back. Australia adopted AV 80 years ago, and New Zealand recently adopted the German system. Canada is debating change. No major democracy has gone the other way and adopted first past the post.’

http://www.guardian.co.uk/commentisfree/2011/may/01/av-referendum-huhne-lucas-denham