The TIOBE Index for January 2026 has been released, offering fresh insight into the popularity of programming languages across the software development landscape. Based on factors such as the number of skilled engineers worldwide, search engine results, and general language use in code repositories and job postings, the TIOBE Index remains a trusted barometer of developer trends.
This latest ranking highlights the continued dominance of established languages like JavaScript and Python while also revealing gradual shifts in developer interests and industry needs. Whether you are an aspiring developer, a seasoned engineer, or an industry analyst, understanding the TIOBE Index can help inform your choices around language adoption, hiring, and project planning.
1. JavaScript Holds Its Ground
JavaScript continues to claim the top position in the TIOBE Index — a reflection of its foundational role in web development. From frontend frameworks to backend applications via Node.js, JavaScript’s versatility keeps it at the forefront of the programming landscape.
Developers continue to embrace JavaScript because it runs natively in browsers, has an expansive ecosystem, and is supported by a multitude of libraries and tools that make product development faster and more efficient. This widespread use ensures that JavaScript remains indispensable for both web applications and full-stack development.
2. Python’s Popularity Remains Strong
Python maintains its place among the top programming languages, thanks to its readability, simplicity, and applicability across many domains. Python is widely used in:
As organizations continue to prioritize AI and data-centric applications, Python’s ecosystem — reinforced by powerful libraries and community support — ensures that it remains highly relevant for both beginners and professionals.
3. Java Endures as a Core Language
Although some newer languages are gaining traction, Java remains a staple in enterprise environments. Large corporations continue to rely on Java for backend services, Android applications, and mission-critical systems.
Java’s longevity is rooted in its strong performance, cross-platform capabilities via the Java Virtual Machine (JVM), and a vast ecosystem that includes mature frameworks and tooling.
4. C and C++ Continue to Power Core Systems
Both C and C++ remain in the top rankings due to their enduring use in systems programming, performance-critical applications, and game development. These languages provide control over memory and hardware that higher-level languages cannot match, keeping them relevant for areas where efficiency and optimization are paramount.
C’s lean syntax and C++’s object-oriented strengths continue to attract developers working on operating systems, embedded systems, and performance-sensitive applications.
5. C# Remains a Key Enterprise Language
C# continues to be a preferred choice for Windows-based development, game development through Unity, and enterprise applications. Its managed runtime and modern features make it accessible for developers building robust software across platforms.
Microsoft’s ongoing investment in .NET and cross-platform capabilities further cements C# as a major language in the global programming ecosystem.
6. TypeScript’s Ongoing Climb
TypeScript has steadily climbed the rankings and remains a notable language in the top 10. Developers appreciate TypeScript’s strong typing and enhanced tooling over plain JavaScript, especially in large codebases where maintainability and error reduction are priorities.
Frameworks and tooling that enable TypeScript by default continue to drive adoption, making it an essential tool for modern web and full-stack development.
7. Go (Golang) Growing With Cloud and Backend
Go — often referred to as Golang — holds a strong presence on the list thanks to its performance, simplicity, and efficiency in cloud-native development. Companies building microservices and scalable backend systems frequently choose Go for its concurrency model and ease of deployment.
This trend reflects broader interest in cloud platforms, containerization, and distributed systems.
8. Rust Retains Developer Interest
Rust continues to be well-liked among developers for its focus on memory safety and performance. Although it has a smaller footprint compared to the giants like JavaScript or Python, Rust’s focus on safety without sacrificing speed makes it a strong contender for systems programming and secure applications.
Developers appreciate Rust’s modern features, and many choose it for projects where reliability and performance are critical.
9. PHP Maintains Steady Use
PHP remains a top language largely due to its longstanding role in web development. A significant portion of the web is powered by PHP, especially legacy systems and content management systems. While newer languages and frameworks emerge, PHP’s simplicity and widespread hosting support help keep it relevant.
10. Swift and Kotlin Continue to Represent Mobile Development
Rounding out the top 10 are languages like Swift and Kotlin, which remain popular due to their strong association with mobile app development. Swift is Apple’s go-to language for iOS and macOS development, while Kotlin has become the preferred language for Android apps.
Their inclusion in the TIOBE Index top 10 reflects the enduring importance of mobile platforms in the software ecosystem.
Why the TIOBE Index Still Matters
Unlike surveys that measure sentiment or self-reported usage, the TIOBE Index uses objective indicators such as search engine queries, developer activity, and code presence to rank languages. This makes it a valuable indicator of actual industry trends — from what languages are being taught, to what skills are in demand, to where ecosystem support is strongest.
For companies, watching the TIOBE Index can inform decisions about technology stacks, hiring strategies, and long-term investment in developer skills. For individual developers, trending languages can highlight valuable skills to learn.
Conclusion
The TIOBE Index for January 2026 reaffirms that established languages like JavaScript, Python, and Java continue to dominate the programming landscape, while rising languages such as TypeScript, Go, and Rust reflect evolving developer needs. With new technologies and use cases emerging each year, the programming language ecosystem continues to adapt — offering a diverse set of tools for developers to choose from.
Whether you are choosing your first language, planning a career shift, or defining your company’s technology roadmap, understanding current trends in the TIOBE Index offers valuable guidance in a fast-moving industry.