Why do we use C in 2020?

In embedded systems and system programming, C is still the main language because you typically don’t need objects there but more direct interface to hardward and low level things .

The C programming language is so popular because it is known as the mother of all programming languages . This language is widely flexible to use memory management. C is the best option for system level programming language.

Therefore, one purpose of C/C++ being used today is to maintain decades old code and there is no way it can be replaced with another programming language in the near future. The Programming Languages Beacon pinpoints applications, which are still being actively developed in C/C++ or major portion of them.