12.5 percent or less 12.5 percent to 13.5 percent alcohol content https://www.realsimple.com/holidays-entertaining/e... Source: Real Simple 13.5 percent to 14.5 percent alcohol around 11% alcohol alcohol content https://www.realsimple.com/holidays-entertaining/e... 14.5 percent or greater Portuguese Port told Real Simple 11-13% alcohol https://www.realsimple.com/holidays-entertaining/e... alcohol level