# duolingo works

Find out how Duolingo’s science-backed approach delivers measurable results. Dive into our [teaching method](/content/efficacy/method/index.html), [efficacy evidence](/content/efficacy/studies/index.html), [expert advice](/content/efficacy/resources/index.html), and [research opportunities](/content/efficacy/research/index.html)!

**top results:**

- You can learn [5 university semesters’](https://duolingo-papers.s3.amazonaws.com/reports/Duolingo_whitepaper_language_read_listen_2021.pdf) worth of French or Spanish in 5 sections of Duolingo!
- After 1 month of using Video Call in Duolingo Max, Japanese English learners [improved their speaking skills](https://duolingo-papers.s3.amazonaws.com/reports/Duolingo_whitepaper_language_video_call_improves_speaking_2025.pdf)
- Learning Spanish on Duolingo for 4 months [improved seniors’ brain health](https://www.tandfonline.com/doi/full/10.1080/13825585.2021.1991262?ref=duolingo.com/efficacy)

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## duolingo is improving

Studies show that Duolingo is teaching better over the years. Duolingo learners scored higher on language tests in 2024 than in 2023 or 2020!

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## meet real duolingo learners

Hear from real people who use Duolingo to reach their language goals

Learning Spanish with Duolingo helped Tommy connect with his teammates 1:47

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Learning French with Duolingo made it easier for Peter to travel 1:56

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Learning French with Duolingo helped Jennifer connect with her husband's family 1:52

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Learning Spanish with Duolingo helped bring Corniesha closer to her community 1:47

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Learning French with Duolingo has been a fun shared activity for Janet and her husband 1:46

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