Poland ratified the WHO Framework Convention on Tobacco Control (FCTC) on September 15, 2006. Poland is one of six countries (the others are Germany , Greece, Hungary, Romania, and Spain) that make up the ITC 6 European (6E) Country Project; a component of the larger EUREST PLUS Project. Two survey waves of ITC 6E Survey have been conducted among a cohort of adult smokers aged 18 and older.