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Best Programming Languages of 2021

Created by: jashan

What Programming Language should I Learn?

Note: This article is taken from "10 Best Programming Language to Learn in 2021 (guru99.com)".


Each programming language is designed for a specific purpose and has its relative merits and demerits. Also, the answer to the most useful programming language to learn is subjective and depends on your familiarity with coding. Irrespective, the following 3 parameters are essential to narrow a language a choice.

  1. Job Opportunities in the chosen Language.
  2. The popularity of the chosen programming language should be on an uptick.
  3. Your Career / Life Goals.

Below, we have listed the 10 Most Useful Programming Languages you can learn right now. Sample Usage and Applications of each language are also listed to help you decide.

1) Python

Python Tutorial


Created: Python language developed by Guido van Rossum. It was first released in 1991.



Usage/Application: Web and Internet Development, Scientific and Numeric applications, Desktop GUIs, Business applications. It is widely used in AI and Machine Learning space.

Salary: An average salary for any Python developer in United State is $114,383 per year.

Learning Difficulty: Easy

Reason Selected: Machine Learning, AI, and Data Science are emerging fields and Python is a staple programming language in such software programs.

2) Java

Java Tutorial

Created: James Gosling primarily designed Java at Sun Microsystems in the year 1996



Usage/Application: Java mostly used for developing Android apps, web apps, and Big data.

Salary: An average salary for any Java developer in United State is $101,013 per year.

Learning difficulty: Learning Java is simple and easy.

Reason Selected: Java has wide and growing adoption. There is and will never be a shortage of jobs requiring Java Skills.

3) R

R Tutorial

Created: R was designed by Robert Gentleman and Ross Ihaka at the University of Auckland. This project was conceived in 1992, but it's initial version released in 1995 and a stable beta version in 2000.



Usage/Application: Data Science projects, Statistical computing, Machine learning

Salary: An average wage for any R developer ranges from approximately $90,042 to $136,616 per year

Learning Difficulty: Hard

Reason Selected: Data Sciences is a booming field and R is primarily used for Data Analysis.

4) Javascript

Javascript Tutorial

Created: JavaScript was earlier called LiveScript when it first shipped in with Netscape Navigator 2.0 in September 1995. Later, it was renamed as a JavaScript.



Usage/ Applications: JavaScript usage include web/mobile app development, game development, and desktop app development.

Salary: An average wage for Javascript developer in the United States is around $110,981 per year

Learning Difficulty: Easy

Reason Selected: With NodeJS JavaScript now supports Server-Side Scripting as well. JavaScript is an indispensable language there will always be a need for JS skills.


5) Swift

Created: Swift was developed by Apple in July 2010 so that iOS developers do not need to work with Objective-C.



Usage applications:

Swift is specially designed language which works with Apple's Cocoa and Cocoa Touch frameworks to create all types of iOS apps.

Salary: An average salary for iOS developer in the United States is around $130,801 per year

Learning difficulty: Easy

Reason Selected: Apple! Should we say more?

6) C++

C++ Tutorial


C++ is a programming language that was developed by Bjarne Stroustrup in 1983.



Usage applications: C++ is widely used in Game Development, Advance Computations, and Graphics Compilers


The average salary of C++ developers in the United States is $113,865 per year.

Learning Difficulty: Hard

Reason Selected: C++ is robust language and is widely used in diverse fields. Will never go out of fashion


7) C#

C# Tutorial

Year Created:

C# is a computer programming language. It's the first version released in 2001.



Usage applications: Widely used in Enterprise Cross-Applications Development, Web Applications


The average salary for "C# developer" ranges from $66,493 per year to $101,775 per year

Learning Difficulty: Hard

Reason Selected: Widely used in Enterprise software and the skill is in demand.

8) PHP

PHP Tutorial

Year Created:

Rasmus Lerdorf created PHP in 1994



Usage applications: Web Applications, Content Management Systems, eCommerce Applications


The average salary for a PHP Developer in the US is $84,727 per year

Learning Difficulty: Easy

Reason Selected: Most popular scripting language. WordPress, Facebook all created using PHP. Never a shortage of PHP jobs.

9) SQL

SQL Tutorial

Created: SQL was developed at IBM by Donald D. Chamberlin and Raymond F. Boyce. This language was made available publicly in 1979.



Usage applications: Used in Any Database

Salary: The average salary earned by SQL Developer is $84,792 per year in the United States

Learning Difficulty: Easy

Reason Selected: You need to know database and SQL irrespective of what profile/language chose as a software developer.

10) Go

Go Programming Language Tutorial

Created: Go language which is also known as golang is developed at Google in 2009 by Robert Griesemer, Ken Thompson, and Rob Pike.



Usage applications: Console utilities, GUI applications, and web applications


The average salary earned by GO Developer is $94,082 per year in the United States

Learning Difficulty: Difficult


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jashangill   -----   June 20, 2021, 7:46 p.m. (UTC)

I am lovin. Python

Updating the review!!!