Well, in Australia at least, the number of smokers in the 18-54 age cohort has almost halved in the decade upto 2022 (older smokers still tend to smoke), and mo

Well, in Australia at least, the number of smokers in the 18-54 age cohort has almost halved in the decade upto 2022 (older smokers still tend to smoke), and more than halved in the 15-24 category. A "national tobacco strategy" was introduced in 2011/2012 that brought plain packaging, increased taxation and a bunch of other measures. Official data is here if you're interested: https://www.abs.gov.au/articles/insights-australian-smokers-2021-22 https://www.abs.gov.au/articles/insights-australian-smokers-... There's also Wikipedia and any number of other resources that go into more detail on the history of decline: https://en.m.wikipedia.org/wiki/Smoking_in_Australia https://en.m.wikipedia.org/wiki/Smoking_in_Australia