The Lancet published the largest survey of tobacco use worldwide, 'Tobacco use in 3 billion individuals from 16 countries: an analysis of nationally representative cross-sectional household surveys.'

It showcases the global tobacco epidemic specifically in low and middle income countries where the tobacco industry have directed most of their efforts. The survey has shown how the burden of tobacco use is growing rapidly and that countries must act now to address the oncoming crisis with  effectiveve tobacco control meaures.

The study can be found here