Table 1

 World’s most successful smoking control nations

Country, age range in years, (year)Daily smoking (%)Less than daily smoking (%)Total smoking (%)
NS, not stated.
Sweden, ⩾16 (2002)1NSNS16
Canada, >15 (2006)214418
Australia, >14 (2004)317.43.220.6
USA, >18 (2005)416.9420.9