Source: https://www.visualcapitalist.com/relationship-income-and-wealth/

The above data has some correlation, but it’s not as much as you’d likely think.
The R-squared value, a measure used to express the relationship between two sets of data, is only 33%. In other words, one variable only helps to “explain” the other about a third of the time, which suggests just a partial relationship between income and net worth.