RRetiris Finance
CalculatorScenariosAnalysisGuidesAboutStart
Scenarios

Retirement scenarios, modelled

The questions people actually ask, answered by running them through the Retiris model 1,000 times each. Every scenario shows its assumptions and lets you change the key numbers to see your own version.

UK

Can I retire at 55 with £500,000?

A 55-year-old with £500,000, spending £25,000 a year until the State Pension arrives at 67. How often does the money last to 95 — and what breaks it?

Open scenario →
US

How long will $1 million last in retirement?

A $1m portfolio at 65 tested at $40,000, $50,000 and $60,000 of spending, with and without Social Security.

Open scenario →
UK & US

What a crash in your first year of retirement does

The same plan, retiring into a 30% fall versus a calm first two years. Sequence-of-returns risk, measured.

Open scenario →
UK

Retiring at 55 vs 60 vs 65

One saver, one budget, three retirement ages. Success moves from 21% to 58% to 85% — here is exactly why.

Open scenario →
UK

What £5,000 more spending a year does

£25k, £30k, £35k and £40k on the same £600,000 pot, and what each step really costs in capital.

Open scenario →
Want your own numbers instead?

The calculator runs the same engine on whatever inputs you give it.

Open the calculator →
RRetiris Finance

Free, fast retirement planning tools. Plan your future in minutes.

Tools & scenarios
  • Retirement Calculator
  • All scenarios
  • Retire at 55 with £500k
  • How long will $1m last?
  • Crash in year one
  • Retiring at 55 vs 60 vs 65
  • What £5,000 more spending does
  • Retiris Analysis
  • How our model works
  • How much do I need?
  • The 4% Rule
  • The Retirement Trap
🇺🇸 US Guides
  • Retire at 55 (US)
  • 401(k) vs IRA
  • 401(k) Match Strategies
  • Social Security Claiming
  • Retiring in Florida
  • Trump Accounts 2026
🌏 International
  • 🇬🇧 Retire at 55 (UK)
  • 🇬🇧 Pension vs ISA
  • 🇦🇺 Retiring in Australia
  • 🇨🇦 Retiring in Canada
  • Policy Changes 2026
All GuidesAboutWho writes RetirisEditorial MethodologyContactDisclaimerPrivacy PolicyCookie PolicyTerms & Conditions
© 2026 Retiris Finance. Educational use only — not financial advice. Contact: retirisfinance@gmail.com