65 countries currently have age restrictions on the sale of nicotine vapes (e-cigarettes).
They are:
ArmeniaAustriaAzerbaijanBarbadosBelgiumBhutanBrazilBulgariaCanadaChinaCosta RicaCroatiaCyprusCzech RepublicDenmarkEcuadorEl SalvadorEstoniaEthiopiaFijiFinlandFranceGeorgiaGermanyGreeceHondurasHungaryIndiaIrelandIsraelItalyIvory CoastJapanLatviaLiechtensteinLithuaniaLuxembourgMalaysiaMaldivesMaltaMexicoMoldovaNetherlandsNew ZealandNorwayPalauPhilippinesPolandPortugalRomaniaSan MarinoSenegalSlovakiaSloveniaSouth AfricaSouth KoreaSpainSwedenTajikistanTogoTurkeyUnited Arab EmiratesUnited KingdomUnited StatesVietnam