The number of people that traveled internationally in 2018 is 1,425 million people.
Using this formula
Number of people that traveled internationally=Number of people on cruises /Percentage of international traveler
Where:
Number of people on cruises =28.5 million
Percentage of international traveler =2% or 0.02
Let plug in the formula
Number of people that traveled internationally=28.5 million/0.02
Number of people that traveled internationally=1,425 million
Inconclusion the number of people that traveled internationally in 2018 is 1,425 million people.
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