PT - JOURNAL ARTICLE AU - Rajeev Cherukupalli TI - Korea's 2015 cigarette tax increases AID - 10.1136/tobaccocontrol-2014-052104 DP - 2016 Mar 01 TA - Tobacco Control PG - 123--124 VI - 25 IP - 2 4099 - http://tobaccocontrol.bmj.com/content/25/2/123.short 4100 - http://tobaccocontrol.bmj.com/content/25/2/123.full SO - Tob Control2016 Mar 01; 25 AB - South Korea increased tobacco taxes in 2015 after a 10-year gap. This commentary suggests two lessons for public finance practitioners. Substantive tax increases are crucial to reducing tobacco use; particularly where prices are demonstrably lower and prevalence higher in comparison to other countries ranked similarly on economic development indicators. Second, as a rule of thumb, governments cannot afford to neglect the annual increases that ensure that tobacco taxes do not lose their efficacy over time.