Finance⏱ 5 min read
How Much Income Do You Actually Need in Retirement?
Most people overestimate retirement spending. Here is a research-based framework for calculating your actual income need -- which is often far less than 70-80% of salary.
The 70-80% salary replacement rule is a starting point, not a calculation. For many homeowners, the real retirement income need is significantly lower once work-related costs disappear.
What Disappears at Retirement
Costs that often vanish in retirement:
Pension contributions (10-15% of salary): gone
National Insurance (stops at state pension age): gone
Work costs (commute, clothes, lunches): £200-500/month
Mortgage (if paid off): £800-1,500/month
Child costs (if grown up): variable
For a £50,000 earner who retires mortgage-free:
Effective replacement rate needed: often 40-50% of gross salary, not 70-80%.
Retirement Spending Phases
Phase 1 (65-75): Active -- spending may EXCEED pre-retirement (travel, hobbies)
Phase 2 (75-85): Passive -- spending typically 20-30% lower
Phase 3 (85+): Dependent -- care costs can rise sharply (£700-1,500/week residential)
Plan for high spending early, moderate mid-retirement, reserve for care later.
Calculating Required Pension Pot
Required pot = Annual shortfall / 4% (safe withdrawal rate)
Example couple, state pension covers £23,004/year combined:
Estimated spending: £25,800/year
Shortfall: £2,796/year
Required pot: £2,796 / 0.04 = £69,900
Many couples need far less in private pensions than projected -- state pension does most of the work.