Number of tons that Royal Caribbean’s Symphony of the Seas weighs. It launched last year as the world’s largest cruise ship.
Number of tons that the Mardi Gras – Carnival’s largest cruise ship – weighs.
Number of times the Mardi Gras will enter the Port of New Orleans. It’s too big for its namesake port.
Number of people that the Mardi Gras will hold.
Number of crew members on the Mardi Gras.
Percent larger carbon footprint that a passenger has on a cruise ship than on land.
Number of gallons of sewage produced weekly by 3,000 cruise ship passengers.
Football fields: the length of the ship.
Number of people who took a cruise in 2018, up 7 percent from 2017.
Sources: Wall Street Journal, Vox.com