How many countries have some form of smoking ban?

?How many countries have some form of smoking ban?
well here in northern ireland it starts next week, in the rep. of ireland its been so for a year now, its started in scotland and wales and it will start in england next month thats all i know i dont know anymore
The ummmmmmmm communist ones!
Some countries like Irish and Scotland have smoking ban in Public places, UK also has partial smoking ban, There are designated smoke free areas inmost countries, But I am not aware of country which has outright smoking ban, but there must be one or 2 sensible countries out there with smoking ban