The days from sailing is far from being over! And as matter for fact, cruising is currently experiencing a new momentum leading to an apparent dynamic boom in the quality of cruises, number of cruisers as well as the extent of cruising services. For every class of cruisers or cruise-lovers, this post sheds new light and presents an insightful ranking of the 10 best cruise lines in the world using variables such as the total revenue and total number of passengers for the year 2021.