Visualization obtained from the Visual Capitalist at https://www.visualcapitalist.com/wp-content/uploads/2018/01/assets-net-worth.jpg.
THE MIX OF ASSETS A HOUSEHOLD OWNS CHANGES AS THEIR NET WORTH CHANGES.
According to www.visualcapitalist.com, here is the breakdown of how the places where personal assets are held change as your net worth increases.
It is reasonable to assume that if you want to build your wealth, your focus should be on the types of assets held by the wealthy.