If you go by income, to qualify for the top 10% you need to earn about $118k, which is a lot, but not super-rich lot. (To qualify for the famous one percent, you need to earn $719k.) Source: Investopedia
For wealth, top 10% in 2017 was $1.18 million; top 1% was $10.73 million. (Source: here)
Wealth is more concentrated towards the top than income.
