That list is the CIA/State Department evaluating the average time to fluency for English natives going through one of the foreign language training programs they run.
Chinese, Korean, Japanese and Arabic sit on top of the list because they are the most isolated away from English.
Koreans find Japanese extremely easy to learn. Vice versa.
Chinese, Korean, Japanese and Arabic sit on top of the list because they are the most isolated away from English.
Koreans find Japanese extremely easy to learn. Vice versa.