How much do you actually need to retire in the UK?

Why there is no single retirement number

Every "you need £X to retire" headline is answering a question you did not ask. The pot you need falls out of two decisions: how much you spend each month, and the age you stop working. Change either and the number moves by six figures.

Take one lifestyle - £2,200 a month in today's money, which is a fairly normal single retirement once the mortgage is gone. Stop at 67, when your State Pension starts, and you need about £296,043. Stop at 60 and the same lifestyle needs £429,227. Same person, same spending, £133,184 apart.

The reason is that your pot never has to fund your whole retirement. It funds the gap between what you spend and what arrives anyway. From 67 the State Pension pays £12,548 a year for life, so a £2,200-a-month lifestyle only asks your savings for £1,154 a month. Before 67, it asks for all of it.

So the useful version of the question is not "how much do I need to retire?" It is "how big does my pot have to be to cover the gap, for as long as I am likely to be here?" That one has an answer, and the rest of this article works it out.

What a UK retirement actually costs

Before any pot, you need a spending figure. The most widely used benchmark is the PLSA's Retirement Living Standards, which price three lifestyles from real household data.

That last line in the note is the one that changes lives. Housing is missing from all three numbers, and it is usually the largest single item in a household budget. Add £900 a month of rent to a moderate £2,725 lifestyle and the pot you need at 67 goes from £430,682 to £661,491. Paying off a mortgage before you stop is worth more than almost any investment decision you will make.

Two smaller caveats are worth holding. These are national averages, so London and the South East run higher. And spending is not flat across retirement - most people spend more in their sixties than their eighties. We model a flat figure anyway, because it is conservative and because nobody can predict their own curve.

Pick the spending figure first. The pot is only ever a consequence of it.

The pot behind each lifestyle

Here is the whole answer in one table: the pot you need for each level of spending, at three different stopping ages, in today's money and to age 95.

Read across a row and you are pricing freedom: for a moderate lifestyle, stopping at 60 rather than 67 costs an extra £156,534. Read down a column and you are pricing lifestyle: at 67, every extra £500 a month of spending adds roughly £128,227 to the pot.

The bottom row is the one that surprises people. A comfortable single retirement at £3,700 a month needs about £680,725 even if you work to 67 - roughly 2.3 times the pot behind a £2,200 lifestyle. The top of the range is far more expensive than the middle, because the State Pension covers a shrinking share of it.

The State Pension does more of the work than people expect

The full new State Pension is £241 a week, or £12,548 a year, in 2026/27. It is paid for life, it rises each April, and it never runs out - which makes it the most valuable asset in most retirement plans.

Here is what it is worth. To spend £2,200 a month from 67 with no State Pension at all, you would need £564,201 rather than £296,043. Buying that income yourself - a pot that pays £12,548 a year from 67 to 95 - would cost around £268,158.

Which is why the cheapest thing you can do this month has nothing to do with investing. The full amount needs 35 qualifying National Insurance years, and you need 10 just to get anything. On 30 years you would receive about £10,755 a year instead, and the pot you need at 67 rises from £296,043 to £334,351. Checking your record is free on gov.uk and takes two minutes.

The 4% rule and the 25x rule, and where they break

The two rules of thumb everyone repeats are useful shorthand and a poor answer to this question. Both ignore the State Pension, and both ignore the age you stop.

The 25x rule says: save 25 times your annual spending. Applied honestly, that means 25 times the part your own money has to cover, so for £2,200 a month net of the State Pension it comes to £346,310, against the £296,043 our engine says you need at 67. It is 17% higher, because 25x is built to keep a pot intact forever, while a retirement plan only has to last as long as you do.

The gap between the columns is mostly the State Pension, which the 4% rule was never designed to include - it came from US research on portfolios meant to survive indefinitely. Use it as a sanity check, not a target. If you want one rule of thumb to carry around, this is a better one: your pot has to cover your spending minus the State Pension, for the years you are here, plus all of your spending for any years before 67. For the mirror question - how long a pot you already have will stretch - see How long will my pension last?

Work out your own number

Tables assume one lifestyle and one State Pension age. Put your own figures in and the answer moves immediately - including the age you could actually afford to stop.

What you would have to save to get there

Knowing the target is half the job. The other half is what it takes each month from where you are standing today.

Two things jump out. The first is how much of the work existing savings do on their own: £220,000 left completely alone for twelve years becomes about £280,297 in today's money, which is why the 55-year-old is almost there already and the 35-year-old, starting from £40,000, has real work to do despite having thirty-three years in hand.

The second is the last column. For the 55-year-old, aiming at 60 rather than 67 turns a £97-a-month problem into a £2,947-a-month one. Early retirement is not a slightly more expensive version of the same plan; it is a different plan, and the later you decide on it the more it costs.

One thing to keep straight: the monthly figure is everything landing in your pension - your contribution, your employer's, and the tax relief on top. Compare it against your total, not against what leaves your bank account, or you will scare yourself unnecessarily.

How much the assumptions move the answer

Any retirement number is a projection resting on assumptions. The honest thing is to show how much they matter, and growth matters most.

That is a spread of £147,847 on identical spending, decided entirely by a guess about the future. Plan near the middle, then check whether the cautious column would still be survivable before you hand in your notice.

How long you plan for is the other big lever. Planning to 90 rather than 95 brings the pot down to £254,665; planning to 100 pushes it to £333,450. We use 95 because planning to average life expectancy leaves half of us with an unfunded decade, and because the State Pension keeps paying whatever happens.

Six ways to need a smaller pot

Ranked by how much they change the pot, on the £2,200-a-month plan.

1. 1Retire at 67 rather than 60: £133,184 off the targetNot the answer anyone wants, but it is the biggest number on this page. Each year earlier costs roughly £19,026, and it works in both directions - if 60 is out of reach, 62 needs £36,152 less than 60 does.
2. 2Keep £500 a month coming in: £128,228 off the targetPart-time work, consultancy, or rent from a room. Any income that is not your pot is income your pot does not have to produce, and it takes the pot needed at 67 down to £167,815. It is also the lever most people forget they have.
3. 3Spend £300 a month less: £76,937 off the targetThe lever with the longest reach, because it applies to every remaining year of your life. Dropping from £2,200 to £1,900 a month takes the pot from £296,043 to £219,107.
4. 4Clear the mortgage before you stopHousing is the one cost the living standards leave out and the one that most often derails a plan. Carrying £900 a month of rent or mortgage into retirement adds £230,809 to the pot behind a moderate lifestyle.
5. 5Fill the gaps in your National Insurance record35 qualifying years buys the full £12,548. Five years short costs about £1,793 a year for life, which is £38,308 more pot. Voluntary contributions are often the best-value purchase in personal finance.
6. 6Take the employer match, then cut your feesAn employer contribution is the only guaranteed instant return in this article, and a fee is the only guaranteed loss. We assume 0.4% a year; paying 1% instead is a drag on every year of growth between now and the day you stop.

What these numbers deliberately leave out

A projection is a straight line through a world that is not straight. Hold the answer more loosely because of these.

• Tax on withdrawals. Usually 25% of a pension can be taken tax free and the rest is taxed as income. Treat your monthly figure as after-tax spending, and if most of it will come from a pension rather than ISAs, add roughly 10 to 15% at these levels.
• The order returns arrive in. We assume a steady real return. A bad first few years hurts far more than the same years later, because you are selling units to live on while they are cheap. A cash buffer for the early years is the usual defence.
• Care costs. Later-life care can dwarf every figure here, and none of them include it.
• Property. Downsizing, equity release or an inheritance can change the picture completely, in either direction.
• Defined benefit pensions. If you have one, it behaves like a second State Pension. Subtract its income from your spending before reading any of these tables.
• Getting at the money. The normal minimum pension age is 55, rising to 57 on 6 April 2028. Anything before that has to come from ISAs or other savings you can reach at any age.

How to check your own numbers

Frequently asked questions