Cigarette consumption estimates for 71 countries from 1970 to 2015: systematic collection of comparable data to facilitate quasi-experimental evaluations of national and global tobacco control interventions.

Objectives: To collect, appraise, select, and report the best available national estimates of cigarette consumption since 1970.

Design: Systematic collection of comparable data.

Setting And Population: 71 of 214 countries for which searches for national cigarette consumption data were conducted, representing over 95% of global cigarette consumption and 85% of the world's population.