Here are the top 24 languages and average salaries paid to developers in USD.

Scala $150,000 per annum 

Go $140,000 per annum 

Objective-C $135,000 per annum 

Kotlin $130,000 per annum 

Perl $130,000 per annum 

Ruby $130,000 per annum 

Rust $130,000 per annum 

C $125,000 per annum 

Swift $125,000 per annum 

Haskell $121,000 per annum 

Assembly $120,000 per annum 

Bash/Shell/PowerShell $120,000 per annum 

C++ $120,000 per annum 

Java $120,000 per annum 

Python $120,000 per annum 

TypeScript $120,000 per annum 

Javascript $112,000 per annum 

C# $110,000 per annum 

Dart $110,000 per annum 

HTML/CSS $110,000 per annum 

SQL $110,000 per annum 

R $109,000 per annum 

PHP $100,000 per annum 

VBA $97,000 per annum.