10 Most Difficult Languages to Learn

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5. Russian

Score: 3.11

Russian is one of the most important languages to learn due to Russia’s role in the global economic and political order. Learning the language can help facilitate relationship-building and aid in business navigation in the country. The country is one of the global leaders in energy and natural resources.

More than 150 million people across the world speak Russian as their native language. It is the ninth most learned language on Duolingo, Inc. (NASDAQ:DUOL).

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