January 20, 2023

Keep going! Doing more lessons leads to better learning

by Xiangying Jiang Research

October 17, 2022

How does Duolingo evaluate effectiveness?

by Xiangying Jiang and Farrah Neumann Research

September 19, 2022

Research report: Duolingo's English learners show strong reading and listening skills

by Xiangying Jiang Research

September 16, 2022

Our 2022 Duolingo Research Grant Winners!

by Cassie Freeman and Jacqueline Bialostozky Research

August 24, 2022

Special report: Understanding English learners around the world

by Danielle Dionne Research

June 29, 2022

Special report: Language-learning trends in Latin America

by Cindy Blanco Research

May 11, 2022

Young people want to work and study abroad—but testing makes it difficult

by Sophie Wodzak and Tamsin Thomas Duolingo English Test

April 4, 2022

How our learners (that’s you!) help improve Duolingo

by Ben Reuveni and Billy Leet Research

December 8, 2021

How family and culture are driving language learners to branch out

by Cindy Blanco Research

December 2, 2021

Two simple tricks for remembering what you've learned on Duolingo

by Lucy Portnoff Research

November 19, 2021

Announcing the Duolingo English Test’s 2021 Doctoral Award Winners!

by Sophie Wodzak Research

October 25, 2021

New study shows learning a language with Duolingo supports brain health

by Cindy Blanco Research

September 28, 2021

Truly Global: 12,000+ cities where students took the Duolingo English Test

by Mark Pavic and Tamsin Thomas Research

September 14, 2021

What if tests were delightful?

by Sophie Wodzak Research

September 9, 2021

Our 2021 Duolingo Research Grant winners

by Cindy Blanco Research

August 12, 2021

Personalized feedback through smart tips

by Cindy Blanco, Xiangying Jiang and Chris Research

July 31, 2021

Can you reach intermediate reading and listening proficiency with Duolingo?

by Lucy Portnoff and Xiangying Jiang Research

July 21, 2021

Duolingo’s most popular course turned high-stakes test

by Sophie Wodzak Research

June 30, 2021

Is the Duolingo English Test fair?

by Sophie Wodzak Research

June 14, 2021

How difficult is the Duolingo English Test?

by Sophie Wodzak and Ramsey L. Cardwell Research

June 1, 2021

How well does Duolingo teach speaking skills?

by Xiangying Jiang, Erin Gustafson and Cindy Blanco Research

May 21, 2021

How we’re improving learning with anonymized speech data

by Gretchen Swecker, Tyler Tape, Kevin Lenzo and Natalia Castillejo Learning

May 13, 2021

Special report: Asian and Pacific language trends on Duolingo

by Cindy Blanco Research

May 6, 2021

International education trends via the world's most accessible English test

by Mark Pavic and Jennifer Dewar Research

April 23, 2021

Born Digital: How we leveraged human-in-the-loop AI to create a more secure high-stakes test

by Sophie Wodzak Research

March 18, 2021

AQuAA: Innovative quality control for the future of testing

by Sophie Wodzak Research

December 16, 2020

Congratulations to the Duolingo English Test’s 2020 Doctoral Award Winners!

by Sophie Wodzak Research

December 15, 2020

2020 Duolingo Language Report: United Kingdom

by Colin Watkins

December 15, 2020

2020 Duolingo Language Report: Global Overview

by Cindy Blanco Research

December 15, 2020

2020 Duolingo Language Report: United States

by Michaela Kron Research

December 15, 2020

2020年版Duolingo言語レポート: 日本の言語トレンド

by Sho Mizutani

December 15, 2020

2020年中国语言学习报告：疫情期间中国用户规模同比增长301%

by Haina Xiang

December 15, 2020

Relatório de Idiomas Duolingo 2020: Brasil

by Analigia Martins

December 15, 2020

Reporte de idiomas de Duolingo 2020: México

by Rebeca Ricoy

October 7, 2020

Learning how to help you learn: Introducing Birdbrain!

by Klinton Bicknell and Claire Brust Research

September 10, 2020

Introducing the 2020 Duolingo Research Grant winners!

by Cindy Blanco Research

September 3, 2020

“Hi, it’s Duo”: Meet the AI behind the meme

by Kevin Yancey and Burr Settles Research

August 31, 2020

Using AI to open up bottlenecks in course content creation

by Stephen Mayhew Research

August 19, 2020

How well does Duolingo work?

by Xiangying Jiang, Joseph Rollinson and Cindy Blanco Research

April 30, 2020

The Duolingo English Test: AI-driven language assessment

by Burr Settles and Geoffrey T. LaFlair Research

April 8, 2020

Changes in Duolingo usage during the COVID-19 pandemic

by Cindy Blanco Research

December 16, 2019

How machine learning helps Duolingo prioritize course improvements

by Will Monroe Research

September 23, 2019

The Duolingo CEFR Checker: An AI tool for adapting learning content

by Bill McDowell and Burr Settles Research

January 9, 2017

How do your country, age and gender impact your New Year’s resolutions?

by Michaela Kron Research

December 14, 2016

How we learn how you learn

by Burr Settles Research

August 30, 2016

For which courses do students make the most progress?

by Marcy Meinert Research

May 5, 2016

Which countries study which languages, and what can we learn from it?

by Bozena Pajak Research

March 31, 2016

Which countries are the best at keeping their New Year’s resolutions?

by Bozena Pajak Research