The following is a list of Royal Navy ship names by name in alphabetical order, both past and present. Many of the names have been re-used over the years and thus represent different ships.
(Note that this list still lacks many important ships.)
... the age of 18, 5.0% from 18 to 24, 26.8% from 25 to 44, 27.7% from 45 to 64, and 19.9% who are 65 years of age or older. The median age is 43 years. For every 100 females ...