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Average Net Worth by Age (USA, UK & South Africa)

By James Blanckenberg  ·  May 2024  ·  5 min read
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🕑 7 min read  ·  FinCalcHub Editorial

Net worth is your financial scoreboard: everything you own minus everything you owe. Knowing where you stand relative to your age group is a useful reality check — but remember, median (middle value) is far more useful than mean (average), which is skewed by billionaires.

USA Net Worth by Age (Federal Reserve 2022)

Age GroupMedian Net WorthMean Net Worth
Under 35$39,000$183,000
35–44$135,000$549,000
45–54$247,000$975,000
55–64$365,000$1,566,000
65–74$410,000$1,794,000
75+$335,000$1,624,000

UK Net Worth by Age (ONS Wealth & Assets Survey)

Age GroupMedian Net Worth
16–34£30,000
35–44£110,000
45–54£230,000
55–64£370,000
65–74£430,000

South Africa Net Worth Context

South Africa lacks regular published median net worth surveys. However, a useful rule of thumb from local financial planners:

AgeRetirement Savings Target (RA/Pension)Goal
30R150,000+1× annual salary saved
40R600,000+3× annual salary
50R1,500,000+6× annual salary
60R3,000,000+10× annual salary
Median vs Mean: Mean net worth is pulled dramatically higher by the wealthiest households. Median — the midpoint where half are above and half below — is the number most people should compare themselves against.

What Counts as Net Worth?

Why Young Net Worth Is Often Negative

Student debt, car loans, and no time for investments to grow mean many under-35s have a negative or near-zero net worth. This is normal. The trajectory matters more than the number: someone going from −$20k to $0 to $50k in their 30s is on a great path.

How to Improve Your Net Worth at Any Age

  1. Calculate your exact number — you can't manage what you don't measure.
  2. Eliminate high-interest debt — credit card debt at 20% is a guaranteed negative return.
  3. Invest the difference — money sitting in a low-yield account loses to inflation every year.
  4. Increase contributions as income grows — a pay rise is only valuable if you don't lifestyle-inflate it away.

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The Compounding Advantage of Starting Early

A 25-year-old who invests $500/month at 7% annual return reaches $1.3 million by 65. A 35-year-old doing the same reaches only $606,000. The 10-year head start is worth $700,000. The most powerful action you can take for net worth at any age is to start — or restart — today.

Worked Example: The Path From 30 to 50

Picture two households, both starting at age 30 with a net worth of $40,000 (typical for that age band per Federal Reserve SCF 2022 data). Household A saves 15% of a $75,000 gross salary, gets a 4% employer 401(k) match, buys a starter home with a normal mortgage at 32, and never carries a credit-card balance. Household B saves 5%, takes a 7-year car loan at 33, and carries a rolling $6,000 credit-card balance averaging 22% APR.

Roll the clock forward 20 years. Household A: the 401(k) balance hits roughly $620,000 (at 7% real return), home equity adds $190,000, taxable brokerage adds $85,000, less remaining mortgage debt of $145,000 — net worth around $750,000. They sit comfortably in the top quartile for the 50–54 age band.

Household B: the 401(k) crawls to $185,000, home equity sits at $90,000 because they refinanced and reset the clock once, the car has been replaced three times on loans, and the credit card balance is still $4,000. Net worth: about $235,000. Both started identically. The gap of $500,000 isn't talent — it's a 20-year compounding of five small decisions repeated weekly. Looking at the median is comforting; looking at the trajectory shows what the decisions actually cost.

Common Mistakes When Tracking Net Worth

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Regional Differences: USA, UK, South Africa

USA. The Federal Reserve's Survey of Consumer Finances (SCF) is the gold-standard source and runs every three years; the 2022 release is the most recent. US median net worth peaks in the 65–74 band at $410,000, reflecting accumulated 401(k) balances and a generation that benefited from cheap homes purchased in the 1980s.

UK. The Office for National Statistics Wealth and Assets Survey is the canonical source, with the most recent wave covering April 2020 to March 2022 showing median household total wealth of £293,700. UK net worth concentration in pensions is structurally higher than the US: pension wealth made up about 35% of total household wealth in the latest WAS data, partly because of DB legacy schemes still in payment.

South Africa. SA doesn't publish a regular national net-worth survey on the scale of the SCF or WAS, but the FinScope Consumer Survey and the SARB Quarterly Bulletin give a working picture. The Allan Gray / Sanlam BENCHMARK 2024 survey found the average South African retiree has saved less than 30% of what they need. Wealth distribution is among the most unequal in the world (Gini coefficient ~0.63 per World Bank), so medians and means diverge more sharply than in the US or UK.

Actionable Next Steps

  1. Open the Net Worth Calculator and enter every asset and liability — bank, investment, retirement, property, debt.
  2. Compare your number to the median for your age band, not the mean.
  3. Set a 12-month net-worth growth target: aim for 10–20% improvement annually in your 20s and 30s.
  4. List your three biggest liabilities and put the highest-interest one on a kill schedule.
  5. Re-run the calculation every quarter — the trend line matters more than the snapshot.

FAQ

Why do mean and median net worth diverge so much? Wealth distributions have very long right tails — a handful of billionaires can lift the mean by tens of thousands while the median moves nothing. US mean net worth in the 65–74 band is over $1.7 million while median is $410,000. Always trust the median unless you have a specific reason to use mean.

How does inheritance affect these numbers? The Federal Reserve estimates roughly $84 trillion will transfer between generations in the US between 2021 and 2045. Inheritances skew toward households already in the top quartile, so the gap between median and 75th-percentile net worth widens over time.

Does the data include or exclude pension wealth? Federal Reserve SCF includes IRA, 401(k), and defined-contribution pension balances but excludes future Social Security entitlements. UK ONS WAS includes both DB and DC pension wealth at present value. Comparing across countries requires checking what is and is not included.

What about household versus individual figures? All three sources cited use household-level net worth. Dividing by household size gives a per-person figure but masks the economic reality of shared assets and liabilities. Compare household to household, not individual to household.

Sources and Methodology

US median and mean figures come from the Federal Reserve Survey of Consumer Finances 2022 (the most recent release). UK figures come from the ONS Wealth and Assets Survey Wave 7, covering April 2020 to March 2022. South African retirement and savings benchmarks reference the FinScope Consumer Survey, the SARB Quarterly Bulletin, and the Allan Gray BENCHMARK 2024 survey. World Bank Gini coefficient data is from the World Inequality Database.

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