Come funziona il 401(k) negli USA: guida 2026

11 min di lettura

Tutto sul 401(k): contributi, limiti 2026.

Cos'è il 401(k)

Il 401(k) è il piano pensionistico più popolare USA. Limite $23.500 nel 2026.

Calcolatore 401(k)

Limiti 2026

Category2026
Employee$23,500
Catch-up (50+)$7,500
Total$31,000
Combined$70,000

Employer match

Typical match: 50% of contributions up to 6% of salary. Earn $60,000, contribute 6% ($3,600), employer adds $1,800 = instant 50% return. ALWAYS contribute up to max match.

Traditional vs Roth 401(k)

TraditionalRoth
ContributionsPre-taxPost-tax
WithdrawalTaxed as incomeTax-free

Investment options

S&P 500 index funds (recommended, ~10% historical), target-date funds, bond funds, company stock (max 10-15%).

Compound interest

Early withdrawal

Before 59½: 10% penalty + taxes. Exceptions: 401(k) loan ($50K max), hardship, rule of 55, SEPP.

Maximizing strategies

  • Contribute up to employer match
  • Increase 1% annually
  • Low-cost index funds
  • Consider Roth if future income will be higher

Calculate your retirement

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Domande frequenti

How much should I contribute?

At minimum, up to employer match. Ideally $23,500 (2026 max). If not possible, increase 1% annually.

Traditional or Roth?

High current income → Traditional. Higher future income → Roth. Many recommend 50/50.

Can I withdraw before 59½?

Yes, with 10% penalty + taxes. Exceptions: 401(k) loan, hardship, rule of 55.

What if I change jobs?

Options: leave it, rollover to IRA (recommended), transfer to new 401(k), or withdraw (worst).

How much at retirement?

$500/month × 30 years at 10% = ~$1.13M. Use our 401(k) calculator.

401(k) or IRA?

Complementary. 401(k) has higher limits and match. IRA has more options. Ideally, both.