Why do millennials know so much about personal finance? (Hint: Ask their parents.)

The 37-year-old Courtney Burrell was raised in a home that resembled the CNBC newsroom.

Her parents expounded cheerily on stock choices and savings, skimming the business pages as the ticker scrolled by on the television screen behind them.

From an early age, she understood what proportion of each parent’s pay went into their 401(k) retirement funds.

"Talk about money was constant," she said.

"Talk about money was constant," she said.

The Ward and June Cleaver generations' parents seldom discussed money with their kids.

However, over time, this taboo has steadily diminished, and families reared by later generations now have a wealth of financial lessons. 

Born between 1981 and 1996, over three-quarters of millennials came from homes where money was a topic of conversation.