Currently the most popular programming languages used to create data visualizations are:
How do I choose which programming language to learn?
Fit the consideration within these two articles in here - https://medium.com/datavisualization/where-should-i-start-c53acdf04a1c and https://qz.com/1063071/the-great-r-versus-python-for-data-science-debate/
What are some resources for me to learn programming in order to create data visualizations?
Python data visualization examples
R data visualization examples -