Thirty-five qualifying years, and the gaps that never fill themselves

The new State Pension is often described as though it arrived at a flat rate for everybody. It did not. The full rate is the amount payable to someone with a complete record, and the record is built a tax year at a time over a working life. The number of those years, not the number of years worked, is what the calculation uses.

Thirty-five for the full rate, ten for anything at all

Reaching the full new State Pension normally requires 35 qualifying years. A minimum of 10 qualifying years is normally needed to receive any new State Pension at all. Between those two points the amount is broadly proportionate — each qualifying year is worth roughly one thirty-fifth of the full rate.

Records that straddle April 2016 are not simple thirty-fifths

Anybody with National Insurance years before 6 April 2016 has a "starting amount" calculated under transitional rules, which compares what the old and new systems would each have produced and uses the more favourable figure. Periods of contracted-out employment, where lower National Insurance was paid because the employee was building a workplace pension instead, are reflected in that calculation as a deduction.

This is why two people with identical year counts can have different forecasts, and why the apportionment table above is a guide to the mechanism rather than a prediction. The individual forecast is the authoritative figure.

What makes a year qualify

A qualifying year is a tax year in which enough National Insurance was paid or credited. It does not require twelve months of employment, and it does not require high earnings — it requires reaching the threshold for the year. The routes are:

• Employment, through Class 1 contributions on earnings above the relevant threshold.
• Self-employment, through Class 2 contributions, with specific rules where profits are low.
• Credits awarded without payment, in defined circumstances.
• Voluntary contributions, usually Class 3, paid to fill a gap.

The credits people most often miss

Credits are where unclaimed years tend to hide, because several of them depend on an application rather than arriving automatically.

Carer's Credit

For somebody caring at least 20 hours a week for a person who does not qualify them for Carer's Allowance. It is applied for, and it protects a record during years of caring that would otherwise be blank. People who care below the 35-hour threshold frequently do not know it exists.

Credits that come with Carer's Allowance

Carer's Allowance brings National Insurance credits with it — which is one reason an underlying entitlement can be worth establishing even when no money is paid. That mechanism is the subject of Carer's Allowance overlaps with the State Pension.

Specified Adult Childcare Credits

Where a grandparent or other family member under State Pension age provides childcare for a child under 12, the credit attached to the parent's Child Benefit can in defined circumstances be transferred to them. The parent, typically working and already accruing a qualifying year, does not need it; the relative providing the childcare often does. This has to be applied for, and take-up has long been low relative to the number of families who could use it.

Parents' credits through Child Benefit

Receiving Child Benefit for a child under 12 ordinarily credits the record. A household that opted out of Child Benefit payments because of the high income charge can still register for the credit — and a household that never claimed at all may have blank years that could have been credited.

Filling a gap by paying for it

Where a year cannot be credited, it can sometimes be bought with voluntary contributions. Two constraints matter. Voluntary contributions are normally limited to the last six tax years, so older gaps generally close for good. And paying for a year does not always increase the eventual pension — for records affected by the transitional calculation, a particular year may add nothing.

Because of that second point, the sequence matters: check the forecast first, confirm that a specific year would increase the amount, and only then pay. The Future Pension Centre exists to answer precisely that question, and HMRC handles the payment side.

A worked example

Take someone aged 61 with 28 qualifying years, four of which are missing from a period in her forties spent caring for a parent.

• On the apportionment above, 28 years sits at roughly £193 a week against a full rate of £241.30 — about £48 a week below it.
• She expects to work four more years before State Pension age, which on a continuing record would take her to 32 years.
• The caring years are more than six tax years ago, so voluntary contributions are not generally available for them. Whether Carer's Credit could have covered them at the time is the question worth asking, and the reason to check a record long before retirement rather than at it.

Illustrative, using the published 2026/27 full rate and the thirty-fifths mechanism. An individual's amount depends on their actual record and the transitional calculation. Only an official forecast gives a figure for a real case.

How to check, and when

The State Pension forecast on GOV.UK shows the current estimate, the number of qualifying years, and which years are incomplete. The National Insurance record shows the gaps themselves. Both are available online and through the HMRC app.

The useful time to look is well before State Pension age — ideally more than six years before, while voluntary contributions for recent gaps are still possible, and early enough that credits for ongoing caring can be claimed as they arise rather than reconstructed afterwards. The date itself is a separate question, covered in the State Pension age moves again from 2026.