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REVENUE (Tables)
3 Months Ended
Mar. 31, 2023
Revenue from Contract with Customer [Abstract]  
Schedule of Revenue Sources and Streams
Three Months Ended March 31,
20232022
Revenues:
Subscription$86,185 $58,010 
Advertising11,635 11,748 
Duolingo English Test9,972 8,080 
Other (1)7,869 3,382 
Total revenues$115,661 $81,220 
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(1) Other revenue is mainly comprised of in-app purchases of virtual goods.
Schedule of Deferred Revenues Changes in deferred revenues were as follows:
Three Months Ended March 31,
20232022
Beginning balance—January 1$157,550 $98,267 
Amount from beginning balance recognized into revenue(65,492)(40,474)
Recognition of deferred revenue(30,129)(22,195)
Deferral of revenue120,013 83,503 
Ending balance—March 31$181,942 $119,101