These are the HARDEST LANGUAGES to learn ranked by the time it takes to be FLUENT in them! Have you ever wondered how hard MANDARIN is to learn? Or what about SPANISH?! Watch this video to find out! Sources: https://pastebin.com/Rf8NdmwR This probability comparison/comparison video is made based on community discussions and relevant sources, numbers, and facts listed might not be up to date, valid, or in any specific order. Follow our Facebook for Extra content! ►https://www.facebook.com/WatchDataHQ Join our Discord Community! ►https://discord.gg/tDGjD6KPhW Like if you enjoyed this #WatchData video