v3.25.0.1
REVENUE (Tables)
 12 Months Ended
Dec. 31, 2024
Revenue from Contract with Customer [Abstract]  
Schedule of Disaggregation of Revenue
Year Ended December 31,
(In thousands)202420232022
Revenues:
Subscription$607,531 $404,684 $273,507 
Other (1)140,493 126,425 95,988 
Total revenues$748,024 $531,109 $369,495 
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(1) Other revenue is comprised of the below.
Year Ended December 31,
(In thousands)202420232022
Advertising$54,907 $49,858 $44,731 
Duolingo English Test45,640 41,212 32,718 
In-App Purchases38,653 34,673 17,914 
Other1,293 682 625 
Total other revenue$140,493 $126,425 $95,988 
Schedule of Revenue by Geographic Areas
Information regarding geography of revenues is based upon the location where the users are located or, in the case of the Duolingo English Test, where the tests are taken:
Year Ended December 31,
202420232022
United States$311,539 $238,759 $168,320 
Rest of World436,485 292,350 201,175 
Total$748,024 $531,109 $369,495 
Schedule of Deferred Revenues
Changes in deferred revenues were as follows:
Year Ended December 31,
(In thousands)20242023
Beginning balance—January 1$249,192 $157,550 
Amount from beginning balance recognized into revenue(248,667)(157,550)
Recognition of deferred revenue(402,937)(287,429)
Deferral of revenue775,296 536,621 
Ending balance—December 31$372,884 $249,192