Duolingo global MAU 2021

In 2021, Duolingo surpassed 40 million monthly active users engaging with the company's language learning mobile app or the language learning section of their website. Between 2019 and the end of 2021, the number of Duolingo MAUs increased by 48.35 percent, registering a peak of 20.31 million users on iOS alone in December 2021 alone.

Number of monthly active Duolingo users worldwide from 2016 to 2021 (in millions)

Characteristic	MAU in millions
2021	40.5
2020	36.7
2019	27.3
2018	23.3
2017	20.3
2016	17.9

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Release date

March 2022

More information

Region

Worldwide

Survey time period

2016 to 2021

Special properties

including website and mobile app users, iOS and Android

Supplementary notes

According to the source:"MAUs are defined as unique Duolingo users who engage with our mobile language learning application or the language learning section of our website each month. MAUs are reported for a measurement period by taking the average of each calendar month in that measurement period. MAUs are a measure of the size of our global active user community on Duolingo."

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