Children from ultra-high net worth families do not learn the extent of their family wealth until their thirties, a new survey suggests.

Thirty-one was the average age at which the descendants of families with hundreds of millions of dollars first get a complete overview of the family finances, and on average, they assume responsibility for a portion of the family wealth two years later (33).

This is according to a study by RBC Wealth Management and Campden Wealth, which sur...