Seriously, I think that English is the most difficult to learn because it contains words from every other language on Earth. We adopt words from each population that comes here to live. For this reason, the guides to pronunciation varies so much as to not be a guide at all. There are too many exceptions to the rules.

The easiest language to learn is the one taught to you by your parents and the most difficult language to learn is any other language.

The easiest language to learn is the one taught to you by your parents and the most

I think the hardest languages to learn are Hungarian, Slovak, Czech, Russian and Finnish. The easiest languages to learn in my opinion are Spanish, Haitian Creole, Catalan, Portuguese and Italian.