If you don't know it already, you are probably interested in these: https://80000hours.org/ https://80000hours.org/ https://en.wikipedia.org/wiki/Effective_al

If you don't know it already, you are probably interested in these: https://80000hours.org/ https://80000hours.org/ https://en.wikipedia.org/wiki/Effective_altruism https://en.wikipedia.org/wiki/Effective_altruism They are basically thinking about exactly this question, what is most important for the society / humanity / the world, and how can you make the biggest impact to achieve such a goal. This very much depends on your background and abilities, of course.