This is a follow-up to Wealthist's Gen-Z guide to setting up your life in a way that allows you to generate wealth efficiently. This is not the only way to build wealth but our research has shown that this is a good blueprint for most people.

Marriage and money: why partnership still matters financially

Marriage is not just about romance. From a financial perspective, it is one of the strongest predictors of long-term wealth accumulation.

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Data-backed analysis showing how marriage and long-term partnership affect net worth, income stability, and wealth growth. Includes projections and data.

Why do traditional life choices still matter in today’s world? Not because we should blindly follow the old ways, but because the data continually shows a strong link between long-term partnership and wealth growth.

Research consistently finds that married couples accumulate wealth faster than single people. Couples who live together with one long-term partner before marriage tend to outperform those who remain single or cycle through relationships.

One major economic finding stands out: married households often hold 30 percent to 200 percent more net worth than single households, even after controlling for age and income. If you believe life is financially easier alone, the data disagrees.

Why? Shared expenses, dual incomes, coordinated planning, and joint saving habits create compounding effects that are extremely difficult to replicate solo.

Hard truth: being single is not a failure. But if your goal is to build serious capital, intentional partnership and aligned financial goals usually accelerate wealth growth.

What the data actually shows

Metric Married households Single households
Median net worth $193,000 $75,000
Homeownership rate ~65% ~38%
Retirement account participation Higher Lower
Income volatility Lower Higher

Source: U.S. Federal Reserve, Survey of Consumer Finances. View data

Net worth projection over time

The projections below use Federal Reserve medians and conservative compounding assumptions. Individual outcomes vary, but the directional gap is consistent across decades.

Age Married household (median projection) Single household (median projection)
30 $60,000 $25,000
40 $185,000 $80,000
50 $420,000 $170,000
60 $750,000 $320,000

Visual comparison at age 60

Married household $750k
Single household $320k

Sources: Federal Reserve Survey of Consumer Finances, National Bureau of Economic Research. NBER study

Why partnership compounds wealth

  • Shared fixed costs: Housing, insurance, utilities, and transportation scale efficiently.
  • Dual-income resilience: One job loss does not mean zero income.
  • Coordinated planning: Couples save and invest more consistently.
  • Behavioral stability: Married individuals take fewer extreme financial risks.

Marriage and wealth: common questions

Yes. Federal Reserve data shows that married households typically hold two to three times the median net worth of single households, even after adjusting for age.
Wealthist tip: Find a partner that shares your goals.

Shared expenses, dual incomes, tax efficiency, and coordinated planning create compounding financial advantages over time.
Wealthist tip: If you're making $200K-$300K a year as a household, you may want to talk to an advisor.

Long-term cohabitation performs better than staying single, but it still lags behind marriage due to legal and planning inefficiencies.
Wealthist tip: If you have a shared vision of the future (and you've talked about it with your partner) and you both plan to stay together forever (yes, we mean forever), maybe it's time to make it official.

Yes. Being single is not a financial failure. But, the data shows that intentional partnership generally accelerates long-term wealth growth.
Wealthist tip: If you're single and lonely, there are millions of people that share your situation. Stay away from instant gratification and look for a long-term partner only. Don't be afraid to tell people your plans either. You may sort out the wrong choices faster.

Keep learning

Explore more basics articles. The more you know, the easier it is to build wealth.

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Households that engaged with financial advisors for 15 years or more accumulated 290% more assets than those who didn’t.*

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* Based on a study published by the Canadian research center CIRANO. View the study