Programming Languages in 2021 – Trends and Opportunities

• Which are the most future proof languages for 2021?
• Review of most popular languages in 2020:
  • Most used languages: Python, JavaScript, Java, C#
  • Less often used languages: C++, PHP, TypeScript, Swift, Kotlin, Scala, Ruby, Visual Basic
  • Specialized languages: Rust, Go, R, C, Objective-C, Dart, Perl
  • Outside the standings (because they're not programming languages): SQL, HTML, CSS, XML, JSON
• Language popularity indexes:
  • Most sought after languages according to LinkedIn Jobs Worldwide?
  • Languages with the most code written in GitHub?
  • PYPL: language popularity based on Google Trends
  • TIOBE: language popularity according to global search enginges
  • Most discussed languages in StackOverflow?
  • Why all these popularity indexes are unreal and skewed?
• For beginners: which language should I start with?
  • Why the actual language doesn't matter much?
  • Which languages are most sough after in Bulgaria (according to LinkedIn Jobs Bulgaria)?
• Summary: which languages to learn during 2021 and why?