Duolingo Language List 2025: All Available Courses

In 2025, Duolingo continues to stand at the forefront of digital language learning. With millions of learners around the globe, Duolingo language list has revolutionized how we approach learning new languages.

Offering a gamified learning experience and a spaced repetition system, Duolingo makes it easier than ever to learn a language in a fun, interactive, and motivating way. Whether you’re a beginner or an advanced learner, Duolingo caters to all proficiency levels, offering a broad selection of languages to choose from.

In this comprehensive guide, we’ll take a deep dive into the languages available on Duolingo in 2025, including popular language courses, rare language offerings, and Duolingo’s special features designed to enhance the learning experience. We will also cover the premium features available through Super Duolingo and answer some of the most frequently asked questions about Duolingo.

Duolingo: The Leading Language Learning Platform

Launched in 2011, Duolingo has become one of the most popular language learning platforms globally. It began with a simple mission: to make language learning accessible, fun, and free for everyone. Today, the platform has expanded beyond basic vocabulary drills to offer comprehensive courses in dozens of languages, all backed by modern pedagogical techniques like adaptive learning, gamification, and interactive exercises.

Duolingo’s free courses are complemented by premium options like Super Duolingo, which provides an ad-free experience, additional learning tools, and enhanced progress tracking features. The combination of affordability, accessibility, and engaging course content has made Duolingo a go-to option for people of all ages who want to learn languages online.

Why Choose Duolingo for Language Learning?

• Free and accessible: Duolingo offers a broad range of language courses at no cost. Even users who opt for the free version benefit from high-quality lessons that make language learning fun and effective.
• Gamified learning: Duolingo uses a game-like approach to keep learners engaged. Features like levels, streaks, leaderboards, and achievements create a competitive and motivational environment.
• Adaptive learning: The platform adjusts its lessons based on your strengths and weaknesses, ensuring that you spend more time on areas that need improvement.
• Interactive exercises: Duolingo’s lessons are rich in interactive language exercises, which cover speaking, listening, reading, and writing tasks.
• Progress tracking: Duolingo provides a clear and visual way to track your progress with features like achievements, daily goals, and streak tracking.

Duolingo Most Popular Language Courses

Duolingo’s success lies in its ability to appeal to learners interested in widely spoken languages as well as those with a passion for rare and endangered languages. In 2025, Duolingo offers a vast array of language options, with some languages consistently outperforming others in terms of learner engagement.

Here’s a look at some of the most popular Duolingo courses as of 2025:

Spanish on Duolingo

As the most popular language on Duolingo, Spanish remains a favorite choice for learners. With over 30 million active users, the Duolingo Spanish course provides a solid foundation in vocabulary, grammar, and pronunciation. Given that Spanish is spoken in many countries across the globe, learning Spanish opens up countless opportunities for travel, business, and cultural immersion.

The Duolingo Spanish course is designed for English speakers, starting with basic greetings and building up to more complex sentence structures and conversational skills. Through listening and speaking exercises, learners can become more confident in their ability to understand and speak Spanish.

French on Duolingo

With a rich history and an international presence, French is another of Duolingo’s most popular language options. The Duolingo French lessons are designed to help learners with both formal and informal communication. Whether you want to visit Paris, engage in international diplomacy, or appreciate French literature and cinema, Duolingo’s French course offers a structured path to proficiency.

From basic phrases to complex tenses, the course builds your skills through a mix of vocabulary-building, grammar lessons, and conversational practice. The addition of audio clips and real-world examples ensures that learners are equipped to understand native French speakers.

German on Duolingo

As one of Europe’s most widely spoken languages, German is essential for business professionals, travelers, and students alike. Duolingo’s German course is comprehensive, offering everything from foundational vocabulary to advanced grammar. Learners can study key aspects of the language, including word order, cases, and verb conjugation.

For those planning to live, study, or work in Germany, Duolingo’s German lessons offer a fantastic introduction to the language. By completing lessons on Duolingo’s interactive language exercises, you can build a strong foundation that allows for meaningful conversations and comprehension.

Italian on Duolingo

Italian is the perfect language for anyone interested in culture, history, art, and cuisine. As a popular European language, Italian attracts learners who want to deepen their connection with Italy’s rich heritage. The Duolingo Italian course helps learners navigate the language’s unique characteristics, such as gendered nouns and verb conjugations.

Whether you dream of traveling through Italy or connecting with Italian-speaking family members, Duolingo’s Italian lessons make it easy to master the basics and work your way toward conversational fluency.

Portuguese on Duolingo

Duolingo offers two versions of Portuguese: one for Brazilian Portuguese and another for European Portuguese. The Duolingo Portuguese course focuses on building your understanding of the language through contextual exercises that emphasize vocabulary, listening, and pronunciation.

With over 200 million speakers globally, Portuguese is an important language for business and travel, particularly in Brazil, Portugal, and parts of Africa.

Duolingo Language Offerings by Family

Duolingo organizes its language courses by family, ensuring that learners can find the most relevant and useful courses based on their linguistic interests. Let’s explore Duolingo’s courses across the major language families.

Romance Languages on Duolingo

Romance languages share a common Latin origin and include some of the most widely spoken languages in the world. Here are the key Romance languages available on Duolingo:

• Spanish: As already mentioned, Spanish is a top choice on Duolingo.
• French: Another popular language with global relevance.
• Italian: Perfect for lovers of Italian art, culture, and cuisine.
• Portuguese: Learn Brazilian or European Portuguese.
• Romanian: A lesser-known Romance language that shares its roots with Latin but has influences from Slavic and Turkish languages.
• Haitian Creole: A unique language spoken in Haiti, rooted in French with African influences.

Germanic Languages on Duolingo

The Germanic languages come from a language family that includes widely spoken languages in Europe and the Americas. Here are some key Germanic languages available on Duolingo:

• German: With significant cultural and economic influence, German is a highly sought-after language for learners.
• Dutch: Spoken in the Netherlands and parts of Belgium, Dutch shares many similarities with English.
• Swedish: A language spoken in Sweden, with growing popularity due to Sweden’s influence in technology and design.
• Norwegian: Spoken in Norway, Norwegian is closely related to both Swedish and Danish.
• Danish: A Scandinavian language with historical significance and modern relevance in Denmark.
• Yiddish: A language historically spoken by Ashkenazi Jews, Yiddish has an interesting blend of Germanic and Hebrew influences.

Asian Language Offerings on Duolingo

Duolingo also offers several languages from Asia, many of which are challenging but highly rewarding to learn. Here are some of the major Asian languages on Duolingo:

• Mandarin Chinese: As the most spoken language in the world, Mandarin is a key language for business and cultural exchange in Asia.
• Japanese: Known for its complex writing systems, including Kanji, Hiragana, and Katakana, Duolingo’s Japanese course offers a beginner-friendly approach to learning the language.
• Korean: Featuring the Hangul writing system, Korean is a fascinating language to learn, with lessons designed to introduce its syntax and pronunciation.
• Hindi: Spoken by millions of people in India, Hindi is a crucial language for travelers and business professionals in South Asia.
• Arabic: A language with a rich literary history, Arabic is used across the Middle East and North Africa.

Slavic Languages on Duolingo

Duolingo offers Slavic languages that provide learners with an understanding of Eastern European and Central Asian cultures. Notable courses include:

• Russian: The largest Slavic language, spoken across Russia and its neighboring countries.
• Polish: A challenging but rewarding language, especially for those interested in the culture of Poland.
• Ukrainian: Spoken in Ukraine, Ukrainian shares many similarities with Russian but has distinct grammar and vocabulary.
• Czech: Spoken in the Czech Republic, Czech has a unique sound and structure that differentiates it from other Slavic languages.

Rare and Indigenous Languages on Duolingo

Duolingo is also at the forefront of preserving endangered languages by offering courses for rare languages and indigenous languages. These languages often have smaller numbers of speakers, but they are no less important in terms of cultural and linguistic significance.

• Esperanto: A constructed international language, Esperanto was designed to foster global communication. The Duolingo Esperanto course is an excellent way to learn a language that bridges the gap between different linguistic communities.
• Klingon: Popularized by Star Trek, Klingon is a fictional language, and Duolingo’s course brings it to life for curious learners.
• Valyrian: Another constructed language from Game of Thrones, Duolingo’s Valyrian course caters to fans of the series.
• Navajo: An indigenous language spoken in the United States, Navajo is taught on Duolingo to help preserve its cultural heritage.
• Hawaiian: An endangered language spoken in Hawaii, Duolingo’s Hawaiian course helps keep the language alive for future generations.

These heritage language programs provide valuable opportunities for learners to connect with their roots, helping to preserve these languages for future generations.

Duolingo Premium Features: Super Duolingo

While Duolingo’s free courses are incredibly comprehensive, those seeking additional features and enhanced learning tools may consider subscribing to Super Duolingo. Here are some of the premium features that come with Super Duolingo:

• Ad-free learning: Enjoy an uninterrupted learning experience without distractions.
• Offline access: Take your lessons on the go without needing an internet connection.
• Unlimited hearts: Unlike the free version, which limits the number of mistakes you can make each day, Super Duolingo allows for unlimited practice sessions.
• Advanced progress tracking: Get more detailed insights into your learning journey, with in-depth analytics and reports.
• Streak Repair: If you miss a day of learning, Super Duolingo lets you repair your streak without any penalties.

Frequently Asked Questions About Duolingo Language List

How many languages are there on Duolingo?

Duolingo offers over 40 languages for learners in 2025, ranging from popular choices like Spanish and French to rare languages like Klingon and Esperanto.

What is a top 1% learner on Duolingo?

A top 1% learner on Duolingo is someone who ranks among the highest-performing users, consistently achieving exceptional progress and maintaining impressive streaks. These learners are highly dedicated and demonstrate strong commitment to their language learning journey.

What is the disadvantage of Duolingo?

One disadvantage of Duolingo is that it may not offer enough advanced-level content for learners aiming for fluency. Additionally, its focus on translation exercises may not fully prepare users for real-world conversations.

What are the top 3 languages in Duolingo?

The top 3 languages on Duolingo are Spanish, French, and German, due to their global popularity and demand. These languages attract millions of learners worldwide, offering a wide range of engaging courses.

What is the hardest language to learn?

The hardest language to learn on Duolingo varies by learner, but many find Mandarin Chinese challenging due to its complex writing system and tonal nature. Other tough languages include Arabic and Japanese due to their unique scripts and grammar rules.

What is the longest Duolingo language?

The longest Duolingo language in terms of course content is English for Arabic speakers, due to the complexity of translating between two very different languages. The course includes extensive lessons to bridge these language gaps effectively.

What’s the easiest language to learn?

The easiest language to learn on Duolingo for English speakers is typically Spanish, due to its simple pronunciation and shared vocabulary with English. Other easy languages include French and Italian, which have familiar grammatical structures.

Is Duolingo sufficient to learn a language?

Duolingo is a great tool for building basic language skills, but it may not be sufficient for fluency. To become fully proficient, it’s best to combine Duolingo with conversational practice and immersive experiences.

What is the most learned language in the world?

The most learned language in the world is English, due to its global influence in business, education, and entertainment. It is spoken as a second language by millions of people worldwide.

What is the shortest language on Duolingo?

The shortest language on Duolingo is Esperanto, a constructed international language designed to be simple and easy to learn. Its grammar is highly regular, making it quick to grasp for beginners.

Conclusion

In 2025, Duolingo remains one of the most comprehensive and user-friendly language learning apps available. With a diverse array of Duolingo language options, you can learn common languages like Spanish, French, and German, or explore rare languages like Klingon and Navajo. The platform’s gamified learning system, combined with its interactive exercises, makes learning fun and effective, and the Duolingo English Test offers a convenient way to prove your language skills.

Whether you’re using the Duolingo app for personal enrichment, career advancement, or to reconnect with your cultural heritage, Duolingo provides all the tools you need to succeed in your language learning journey. With its free courses, Super Duolingo premium, and a growing catalog of languages to choose from, Duolingo will undoubtedly continue to help people around the world learn languages online for years to come.