„data from GitHub repositories access frequency. For historical ranking I’ve used aggregation of multiple national surveys to establish several data points, plus a world wide publications rate of occurrence. In this ranking popularity is defined by percentage of programmers with either proficiency in specific language or currently learning/mastering one. Y axis a relative value to define ranking popularity between all other items.
Have fun!“ (src: Channel of: https://www.youtube.com/watch?v=Og847HVwRSI)