It is no surprise that the mobile learning platform is expected to reach $80 billion by 2027. Consequently, for lifelong learners, taking online lessons has been a boon. There are so many different subjects you can study.  

If you are searching for some interesting subjects to learn online, here are four of the most popular ones. Read more to know which one is right for you. 


1. Musical Instruments

When it comes to learning to play a musical instrument, the internet has a lot. You can find lessons for every learning phase, from beginner to advanced. And if you are not sure which instrument you wish to learn, there are plenty of resources to guide you.

Some popular instruments that you can learn online include:

  • Guitar
  • Piano
  • Violin
  • Drums
  • Flute

Each of these has a wide variety of study resources available online. For instance, you can find lessons, tutorials, and even entire courses dedicated to helping you learn the ins and outs of each one. 

And once you have learned the fundamentals of the instrument, you can always move on to more advanced concepts. For example, piano lessons online can range from learning how to play simple songs to learning complex theories. Likewise, if you are interested in learning guitar, you can find classes covering everything from basic chords to more advanced techniques like soloing.

2. Accent Reduction


If you are looking to improve your pronunciations and speak more like a native, accent reduction classes can help a lot. In these courses, you will learn about the different features of English pronunciation and how to practice them. You will also get plenty of speaking practice for using your new skills.

Accent reduction classes typically cover vowel sounds, consonant sounds, stress and intonation, and common pronunciation mistakes. With time, you will be surprised at how much your English improves with practice.

3. Astronomy


If you are interested in the stars and planets, you can take excellent online courses to learn about astronomy. These live lessons online will often cover the history of astronomy, the different types of telescopes, and how to find constellations.

You can learn about the solar system, including the sun, planets, moons, asteroids, and comets. You will study Kepler’s laws of planetary motion and how they explain the orbits of planets around the sun. Additionally, you will learn about light and electromagnetic radiation and how it affects astronomical observations. Finally, you might explore current research in astronomy to better understand the earth’s place in the universe.

4. Regional Languages


With the world becoming more connected online, there is an increasing demand for people who can speak multiple languages. If you want to learn a unique language, plenty of online resources can help. Some of the best languages are Spanish, French, Mandarin, and English.

No matter which language you wish to learn, online resources can help. Moreover, many languages have free courses available online, so you can try them before committing to anything. Many paid options are also available if you want a more immersive experience. 

The best part of online learning is going at your own pace. If you want to learn quickly, you can take multiple courses and complete them in a shorter time frame.


Whether you are looking to improve your career prospects or want to learn something new, there is an online course out there for you. With so many subjects to choose from, you will find one that interests you.