Besides job offer salaries, we usually don't quantify other aspects such as social quality, family, housing conditions, etc... It is actually very hard or impos

Besides job offer salaries, we usually don't quantify other aspects such as social quality, family, housing conditions, etc... It is actually very hard or impossible in some cases to measure. US has definitely been winning with the salary advantage, but it is lacking the rest compared to many places. This would be the main reason that talents would eventually go away. There's no war, life conditions have been improved in many parts of the world, why not those places.