I live in Belgium, didn't inherit millions from family and am in the middle working class. I'll stay in this working class, this is how it has been conceived, I'll never make millions. Once I understood and accepted this, I managed to work only 4 days a week and live more than finely with this salary. Work is only there to get my living wage, I detached completely from work life, I chat with colleague, I do what I'm…
There are many self-made millionaires. Not sure if you are a dev or not...but you can always make an app or a game that takes off? Your life circumstances may lead you to the app and you could make it out of necessity for yourself. Honestly, I'm content with being in middle class but I also think about future opportunities and work towards bigger goals.
It's about 8.7% in North America according and 2.7% in Europe to Credit Suisse[1]. That is not _many_, that is _very few_ in my dictionary.
[1]: https://en.wikipedia.org/wiki/List_of_countries_by_number_of...