Based on a 2018 study by Cruise Market Watch, a total of 26 million passengers travelled on a cruise trip, with the Carnival Cruise Line having the largest market share at 22% with 5.7 million passengers.
At second, is Royal Caribbean International (RCI) with close to 5 million passengers at 19% market share, followed by MSC Cruises with 3 million passengers at approximately 10% market share.
Compare Carnival Cruise Line with Royal Carribean International
My other lists on Cruise Ships
Largest | Widest | Tallest | Longest Cruise Ships
Builders who created these sea-dominating engineering marvels
Different classes of cruise ships and different cruise lines
Cruise ships with the most state rooms and the largest passenger capacities
The largest cruise lines by passenger count | market share by revenue
Recommended ComparisonTitanic of 1912 vs Symphony of the Seas of 2020