The Jamaica Health and Lifestyle Survey III (Ministry of Health Jamaica, 2018), reports that 26% of men and 5% of women, 15 years and older use tobacco. Of the lifetime smokers, 27% report consuming more than 100 cigarettes. Additionally, by age 19, 50% of lifetime smokers had initiated cigarette smoking and by age 11, 10% initiated the act. Marijuana use was reported by 29% of male Jamaicans and 5% of Jamaican females. The highest prevalence estimates (21%) were among the 15 to 24 age group.

References:

Ministry of Health Jamaica. (2018). Jamaica Health and Lifestyle Survey III: Preliminary Findings. https://www.moh.gov.jm/wp-content/uploads/2018/09/Jamaica-Health-and-Lifestyle-Survey-III-2016-2017.pdf