Carnival Cruise Lines are the biggest cruising company in the world to date with 24 ships in their fleet, docking at 100 different ports and a running a whopping 1330 cruises each year.
On the ship, the average age range consitis of 30% being under 35 years old, 40% between 35 and 55 years old and 30% are over 55 years old. This makes for a nice mix of young and old.