E cigarettes: Facts, stats and regulations While vaping is not risk free, it is less harmful than tobacco Our World in Data At least 15 million people aged 13 to 15 use e cigarettes globally, with young people on average nine times more likely to vape than adults in countries with data, the World Health E Cigarettes: A Global View RGA Britain to encourage smokers to swap cigarettes for vapes in world first health initiative ABC News