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Most in Demand Programming Languages 2021

Updated: Jan 25, 2022

Several programming languages are there; still, new ones are constantly emerging. But the major concern is which one running the whole market or which programming language is the most popular and well suited for web and mobile app development. It is not so simple to list down the most popular programming languages 2021. But this task can be executed efficiently by considering various metrics, such as technology popularity, trends, career-prospects, open-source, etc.

15-20 years ago, everyone was trying to become a lawyer or economist. Today, everyone tries his hand at programming. Why? Because the demand for good programmers is growing exponentially. It’s also a high paying job.

Do not believe the words? Here are the statistics according to the report of Hired.

  • The average salary of developers has grown by 7-13%, depending on the country.

  • Demand for front-end and back-end developers has grown by 17%.

  • Demand for AR / VR and Blockchain developers increased by 1400% and 517%, respectively.

The Institute of Electrical and Electronics Engineers (IEEE) spectrum comes with the listing sheet of top programming language 2021. The list of the programming language is based on popularity.

List Of Top Programming Languages

Based on metrics mentioned above, I have done the listing of most popular coding languages, so now you can blindly pick any of the best programming languages for your next project. But always remember to choose the one which suits your project profile.


Many languages came and disappear but JavaScript is one of those few renowned languages that is enjoying a high run and demand in the programming world. In the TIOBE ranking report, JavaScript has been ranked under the top 10 programming languages for several years consistently. In fact, the Stack Overflow survey depicts that JavaScript is the most popular language among developers. At Octoverse also, JavaScript is enjoying the top position among all programming languages. Meanwhile, some of the renowned companies in the tech world that are using JavaScript are Facebook, Google, Microsoft, Uber, etc.

Though the language is primarily known for adding responsive elements on web pages it has a wide range of applications such as in web development, game development, mobile application development, and many more. Moreover, the language is being used for both – Front End Development and Back End Development. Also, its compatibility with some prominent frameworks like React, Vue, Node, etc. makes it more preferable among the developers. As there are millions of websites already existing over the web that are heavily relying on JavaScript and on top of that, looking at the demand & dominance of the language, it won’t be wrong to say that JavaScript will rule in 2021 as well!


As per the RedMonk Ranking report for the year 2020, Python outranks JAVA to become the second most popular programming language. The language has experienced tremendous growth of around 18-19% in the last 5 years. At the PYPL index, Python is ranking at the #1 position for December 2020 index. The language ranks among the most popular programming languages in several other renowned platforms also such as Stack Overflow, Github, etc. Also, the compatibility of Python with trending technologies like AI & ML makes it more preferable among the developers.

Python has been the favorite language of almost every individual who is just starting with the programming domain for the last many years. The primary reason behind this is a quite simple syntax that makes it easy to read, learn, and use. The language is extensively used for web development, software development, etc., and with several trending technologies such as Machine Learning, Artificial Intelligence, Data Science, etc. The language offers some enriching features such as rich library support, automatic garbage collection, easier integration with other languages, GUI Programming support, and many more. Several popular Python frameworks that make things more efficient & convenient are Django, Flask, Pyramid, etc.

C / C++

Both C and C++ are occupying a considerable portion of the tech world and currently ranking at the top positions on various indexes. At the TIOBE index of 2020, C and C++ are ranking under the top 5 programming languages at first and fourth position respectively. At the PYPL index, C/C++ has seen an upward trend of around 0.1 % and is ranking at the #5 position. There are numerous big tech companies that hire C/C++ developers with some decent salary packages such as Adobe, Oracle, Microsoft, Nvidia, etc. And to learn C/C++ in 2021 is not only beneficial from the career perspectives but it also somehow makes it easier for you to learn other programming languages afterward.

If we particularly talk about C language, the general-purpose procedural programming language is majorly used in the development of low-level systems like operating systems, kernel development, and others. And many other programming languages inherit the properties of this particular language. On the other hand, C++ is an object-oriented programming language (primarily developed as an extension of C). The language is widely used in Game Development, GUI & Desktop applications, and Competitive Programming along with several other fields.


Like many others, if you’re also considering that PHP is not worth it to learn in 2021 then you must know that the language is still doing very well in the tech world and is being preferred by the developers. As per the TIOBE Index for December 2020, the language secured a place under the top 10 programming languages at the #8 ranking. Infact, at RedMonk Ranking reports, the language is ranking at 4th position surpassing other prominent languages like C++, Kotlin, etc. Even, various renowned websites like Facebook, Wikipedia, WordPress, etc. are heavily relying on PHP and are providing numerous career opportunities for PHP developers regularly.

The open-source server-side scripting language is used for the website development and comes up with some prominent features like cross-platform compatibility, object-oriented programming features, easy integration with HTML, CSS, JavaScript, etc, huge community support, and many more. The language is strongly recommended to beginners as it is quite easier to learn. Some of the popular PHP frameworks that you can take into consideration are Laravel, Symfony, CodeIgniter, etc. So, if you’re particularly looking forward to getting into the web development domain, PHP would be a great choice for you!

Golang (GO)

It was developed by Google back in 2007 for APIs and web applications. In the past few years, Go has become one of the fastest growing programming languages. Some programmers have even begun to claim that it is superior to Python. According to the Stack Overflow reports, Go falls under the list of top 5 most loved language by developers for the year 2020. Companies like Uber, Google, etc. are working with the Go language and you can choose to learn Go as it seems that the language is going to bigger & bigger in the coming years.

Go is a statically typed programming language, developed by Google, and having a syntax similar to C. It provides you with numerous enriching features such as garbage collection, dynamic-typing, type safety, high performance & efficiency, and many more. The language supports multithreading and can be used in the Distributed system, Cloud Computing, etc. The best thing about the language is that it resolves several major issues like slow compilation & execution, unavailability of the rich standard library, etc.


In order to make efficient use of selected programming language in mobile app development get connected with the top mobile app development company and from there hire mobile app developers; this will help your business get a full-fledged mobile application. The languages present in the list proffer leading features and functionality that can help you build robust web and mobile apps. So now choose the right technology to develop agile web and mobile apps for your business.


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