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4 sourced facts about learning, each with the context behind the number. 4 more are in today's round and appear here after it closes.

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Going deeper

In 2025, English was the most-studied language on a major language-learning app in how many countries?

Answer154 countries (79%)

Only 25 countries didn't have English among their top two languages to learn.

Source: Duolingo 2025 Language Report (2025) blog.duolingo.com

Which language climbed to become the 4th most popular to study worldwide in 2025, passing German?

AnswerJapanese

Korean also climbed, to #6, passing Italian, as more people could study both from their own language.

Source: Duolingo 2025 Language Report (2025) blog.duolingo.com

Expert level

Which country had the most 'serious' language learners in 2025, based on average time spent learning?

AnswerJapan

It was Japan's second straight year at #1; Hungary, Belarus, Russia and Germany rounded out the top five.

Source: Duolingo 2025 Language Report (2025) blog.duolingo.com

Among people learning Latin on a major language app, what share also study chess there?

AnswerOver 19%

Latin learners were also more likely to study math (14%) and music (13%) than learners of other languages.

Source: Duolingo 2025 Language Report (2025) blog.duolingo.com

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