Yo Kass answered According to https://ladyofthecakes.wordpress.com/2013/09/06/who-eats-the-most-mayonnaise-ketchup-mustard/ this is the list of top 10 countries for consumption of mayonnaise per capita:RussiaLithuania UkraineBelarusBelgiumEstoniaLatviaChileNetherlandsPoland.Russians apparently consumed an average of 5.1kg of the stuff per capita in 2013, compared to 1.9kg consumed by the average American.I honestly have to say this is a question I never expected to know the answer to. And now I do!