Answer: unemployment rate depends solely on the size of labor force and every country has different labor force sizes.
Explanation: https://coursepivot.com/tutor-answers/which-of-the-following-helps-explain-why-it-is-so-difficult-to-compare-unemployment-rates-in-the-united-states-with-unemployment-rates-in-poorer-countriesselect-the-correct-answer-below/#:~:text=Cross-country%20comparisons%20of%20unemployment%20rates%20is%20difficult%20to,and%20every%20country%20has%20different%20labor%20force%20sizes.
