Peter O'Shaughnessy, a developer advocate for Samsung, explains that your idea on which browsers are the most popular is probably wrong.

Our traditional idea of the top five browsers may be over-simplified, outdated and skewed. Chrome, Firefox, Safari, IE/Edge, Opera… It is a common idea that these are the five “major browsers”. Our familiarity with them is comforting, but it might be a skewed and outdated view. Partly from our Western bubble and partly a hangover from the days of desktop dominance. Let’s take a look at some numbers so we can better represent the reality.

https://medium.com/samsung-internet-dev/think-you-know-the-top-web-browsers-458a0a070175