The Five Most Popular Programming Languages of 2026
As per the TIOBE Index, which assesses the popularity of programming languages based on various metrics like number of engineers, available courses, and their use in significant web applications, the following languages are expected to dominate the programming landscape in 2026. Understanding these trends can influence your decision on which language to learn.
- Python: 22.61% (-0.68% from last year)
- C: 10.99% (+2.13% from last year)
- Java: 8.71% (-1.44% from last year)
- C++: 8.67% (-1.62% from last year)
- C#: 7.39% (+2.94% from last year)
Free Online Courses to Learn These Languages
Learn Python
- Fundamentals of Python 1: A 30-hour course by Cisco introducing essential data structures and operations. Available on Netacad.
- Fundamentals of Python 2: A 40-hour advanced course focusing on complex structures. Available on Netacad.
- MIT’s Introduction to Computer Science and Programming in Python: An excellent course for beginners. Check out MIT.
- Basic Python Course for Beginners: A 1.5-hour beginner video course available on Udemy.
- Programming for Everybody: A 7-week building block course by the University of Michigan. Find it on edX.
Learn C
- Introduction to Programming in C: A 5-week course from Universidad Autónoma de Madrid. Available on edX.
- C for All: A 15-hour introductory course from UC Santa Cruz available on Coursera.
- Free C Programming Course: A 10-hour course offered by UNAM to get you started. Check it out on UNAM.
Learn Java
- Introduction to Programming in Java: A 5-week course from Universidad Carlos III, focusing on the basics. Available on edX.
- Java for Beginners: A 10-hour practical course from IBM offered on Coursera.
- Free Java Course from UNAM: This course runs about 30 hours. Check it here.
Learn C++
- IBM: Fundamentals of C++: A 5-week course covering the basics. Available on edX.
- Writing Secure Code in C++: A specialized 4-week course on Coursera.
- Free C++ Course: From Código Facilito, a great starting point. Available here.
Learn C#
- C# Fundamentals for Beginners: A beginner-friendly 9-hour video course on Udemy.
- Introduction to Programming with C#: A 29-hour course from Microsoft on Coursera.
- Learn C# by Building Applications: A hands-on 20-hour course on Coursera.
These courses are designed for learners of all skill levels. Most of them can be taken at your own pace, allowing you to balance learning with other commitments. While the courses are free, some may require a fee for certification. With a blend of structure and flexibility, you’re sure to find a program that suits your learning needs.