Visualise Developers’ Salary in Python

Stack Overflow Developer Survey in 2019

Introduction

Stack Overflow publishes annual developer survey result. The survey data covers 64,000 reviews from 213 countries and territories. The survey aims to understand multiple aspects of jobs related to software development and data analytics. There were more than 150 questions as a part of the survey.

The survey page itself shows a nice graph of average salary by Developer Type, Language and Experience. However, I wondered how much the average of 213 countries is relevant to me. Then, why don’t we just analyse the raw data?

1. Clean up extraordinary data

For any data science project, the data need to be cleaned first. For example, this is annual compensation in the states.

Notice there’re many developers earning more that $1 million… it could be true but I’m definitely not in that world.

Top 10 countries for average salary where more than 50 persons participated in the survey: