<P> Cigarette packs often contain warning messages depending on which country they are sold in . </P> <P> The size of a pack is often regulated . Government agencies usually set a minimum pack size . </P> <P> In Australia, the most common quantity per pack is 25, but some brands have changed them to 26 or to 20 (the minimum by law). 30, 40 and even 50 packs are also sold . </P> <P> In Canada, most packs sold have 25 cigarettes, but packs of 20 are also popular . </P>

How many cigarettes in a packet in australia
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