"Figure 1: Smoking prevalence has fallen in all four countries of the UK since 2011","" "Proportion who were current smokers, all persons aged 18 years and over, UK, 2011 to 2019","" "","" "Notes","" "Unit","%" "","" "","England","Wales","Scotland","Northern Ireland","United Kingdom" "2011","19.8","22.3","23.4","18.9","20.2" "2012","19.3","21.0","21.7","19.2","19.6" "2013","18.4","20.2","21.5","18.5","18.8" "2014","17.8","19.4","20.3","18.0","18.1" "2015","16.9","18.1","19.1","19.0","17.2" "2016","15.5","16.9","17.7","18.1","15.8" "2017","14.9","16.1","16.3","16.5","15.1" "2018","14.4","15.9","16.3","15.5","14.7" "2019","13.9","15.5","15.4","15.6","14.1"