See also Fast-food restaurant, List of reference tables.
Example of some non-fast food type chain restaurants:
France
... from 18 to 24, 34.6% from 25 to 44, 19.4% from 45 to 64, and 10.6% who are 65 years of age or older. The median age is 34 years. For every 100 females there are 102.8 ...