D programming language popularity

[Palak]

Hi this is Palak
Well D has been successfully used for AAA games, language 
interpreters, virtual machines, an operating system kernel, GPU 
programming, web development, numerical analysis, GUI 
applications, a passenger information system, machine learning, 
text processing, web and application servers and research.
Well there are lot of other top programming languages you must 
learn, you can see it by opening below link.
https://www.techgeekbuzz.com/blog/top-programming-languages-to-learn/
Thanks