According to the Sociology Department at the State University of New York, the minimum legal drinking age in the Bahamas is 18. This applies to drinking in public places. The United Kingdom is the only country that has a law regarding the minimum legal age for alcohol consumption at home.
The source states that the mean legal drinking age globally is 15.9. Most countries in the world, including Ireland, Japan, Zimbabwe, Thailand, Chile, and Egypt, have 18 as the drinking age. The World Health Organization notes that around 80 percent of people start drinking regularly at age 15 or earlier.