<P> In many European countries, increases of cigarette tax can cause the quantity of cigarettes in the pack to change, in order to achieve the same end price . </P> <P> In Malaysia, the selling of packs containing fewer than 20 cigarettes is prohibited . </P> <P> In the United States of America, the quantity of cigarettes in a pack must be at least 20 . Certain brands, such as Export As, come in a pack of 25 . For many years, half - packs of 10 (or even 14) cigarettes were commonly available . </P> <P> In the United Kingdom brands are only sold in packets of 20, following a May, 2017 law prohibiting the sale of 10 - stick packs . The legislation also outlawed branded packaging, introducing boxes which are a plain, green color . The packaging has the brand name in a basic typeface, with most of the packet dedicated to textual and photographic health warnings . Vending machines sometimes dispense packets containing 16 or 18 cigarettes, although the dimensions of the packaging are the same as the equivalent packet containing 20 . </P>

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