Professional Millionaire
Book Summary

The Millionaire Next Door

A research-based look at who America's millionaires really are. Most live in ordinary houses, drive ordinary cars and got rich by spending well below what they earn.

Thomas J. Stanley and William D. Danko · 1996 · 3 min read

If I could hand one book to a newly minted professional with their first big paycheque, it would be this one. Thomas Stanley and William Danko spent years researching American millionaires through surveys and interviews, and what they found looks nothing like the popular image of wealth.

The big ideas

Most millionaires don't look rich

The typical millionaire in their research lived in an ordinary neighbourhood, drove an ordinary car, often bought used, and wore ordinary clothes. Many were self-employed, running unglamorous businesses. They were wealthy precisely because they didn't spend their money looking wealthy.

The flip side: a lot of people who look rich, with the big house, the luxury cars and the expensive watches, have high incomes but surprisingly little net worth. Income is what you earn. Wealth is what you keep.

Are you accumulating wealth or just earning it?

The book gives a simple rule of thumb for what your net worth "should" be: multiply your age by your annual pre-tax household income, then divide by ten (leaving out anything you inherited). A 45-year-old household earning $200,000 would expect about $900,000.

The authors then sort people into two groups:

  • Prodigious accumulators of wealth have at least twice the expected amount.
  • Under accumulators of wealth have half or less.

What separates them usually isn't income. It's how much of that income they keep and invest.

Frugality, planning and time

The accumulators share a handful of traits. They live well below their means. They spend time and attention planning their finances and budgeting. They value financial independence over displaying status. And they choose their spending deliberately, not by default.

Don't subsidize your adult children

One of the book's more pointed findings is about what the authors call economic outpatient care: ongoing financial gifts from parents to adult children. Their research suggested that regular support often left the children with less wealth, not more, because it funded a lifestyle instead of building independence.

What a professional millionaire should take from it

The book is especially pointed about high-earning professionals. Doctors, lawyers and other professionals often start earning late, carry debt from their education, and work in environments where looking successful is expected. That combination makes them some of the most likely people to earn a lot and keep little.

The lesson is simple and uncomfortable: your income is not your score. Your net worth is. Run the age-times-income formula on yourself. If you're under the line, the fix almost always starts with spending, especially on the big visible items like the house and the cars. I wrote about the car side of this in What Do Professional Millionaires Drive?

Where it falls short

  • The data is old. The research comes from the 1990s United States. Housing, education and healthcare costs have changed a lot since, and the specific numbers shouldn't be taken literally today.
  • It describes, it doesn't prescribe. It's excellent on what wealthy people tend to do, and lighter on exactly how to get there step by step.
  • Survivorship. It studies people who succeeded. Plenty of frugal business owners didn't become millionaires, and they're not in the sample.

None of that undoes the central point, which has held up remarkably well.

Who should read it

Anyone with a good income who isn't sure why their net worth isn't higher, and anyone about to make a big lifestyle decision like a house or a car. Read it before the raise, not after.

Track the number that matters

The Net Worth Tracker keeps your accounts, budget and projections in one place, including a real estate investment model.

Open the Net Worth Tracker

Keep reading