In the following, as request, programming languages in order from most widely used to least widely used:

1.  Java
2.  Python
3.  C
4.  C++
5.  JavaScript
6.  PHP
7.  C#
8.  Swift
9.  Ruby
10.  R

Depending on the context and the source of data and popularity of programming languages can vary. 

For me to help you in a more personalized way, please let me know what kind of project you are aiming for and what problems you want to solve.
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