Cigarette Smoking Prevalence: 1974-2012 Prevalence Percentage, Great Britain Please include the citation provided in our Frequently Asked Questions when reproducing this chart: http://info.cancerresearchuk.org/cancerstats/faqs/#How Data for 1975-1977, 1979-1981, 1983-1985, 1987-1989, 1991-1993, 1995-1997, 1999 estimated by CRUK: actual GB smoking prevalence data not collected in these years. Prepared by Cancer Research UK Original data sources: 1. Data for 2012 onwards: Office for National Statistics. Opinions and Lifestyle Survey. Available from http://www.ons.gov.uk/ons/rel/ghs/opinions-and-lifestyle-survey/index.html. 2. Data for 1974-2011: Office for National Statistics. General Lifestyle Survey, 2011. Available from http://www.ons.gov.uk/ons/rel/ghs/general-lifestyle-survey/2011/index.html.