The state pension is meant to be straightforward. Pay in for a sufficient number of years, get to the appropriate age, and get your money. At least that’s the concept. In reality, the situation is more complicated, and for a surprisingly large number of people, there is a noticeable discrepancy between what they anticipate receiving and what actually ends up in their bank account.
For 2025–2026, the entire new state pension is £230.25 per week, or about £11,973 annually. That figure is predicated on 35 years of eligible National Insurance contributions. Your payments will decrease proportionately if you miss that cutoff. If you don’t have ten qualifying years, you won’t get anything at all. Those are harsh requirements for a benefit to which the majority of working people believe they are automatically entitled.
The fact that many maximum state pension eligibility problems are undetectable until it’s too late to make inexpensive fixes is what makes them so annoying. Until they check their NI record, which, let’s face it, most people don’t do until retirement is almost here, someone who spent years taking care of a relative, working part-time below the earnings threshold, or managing self-employment gaps might not realize they’ve accumulated shortfalls.
Additionally, the contracted-out complication is more common than it should be. If, prior to 2016, you were enrolled in a personal or workplace pension plan that was “contracted out,” a deduction will be made from your initial contribution. This occurred because you contributed to your private pension rather than the additional state pension during that time by paying National Insurance at a lower rate. In theory, it’s fair. Additionally, it’s the kind of information that gets lost in old employment records and only comes to light when someone is seated across from a pension advisor and questions why their forecast appears to be lower than anticipated.

Although it has its own limitations, filling National Insurance gaps is one option. It currently costs about £923 for each voluntary year purchased through Class 3 contributions, adding about £6.58 per week. This means that it will take three years of pension payments to break even. That math works out for the majority of people in good health. However, Andrew Tully of Nucleus Financial raises a valid point that is worth considering: if you already have 35 qualifying years, there is no point in paying to close gaps. It’s money spent on a pension that you were already going to get in full. It is imperative that you thoroughly review your NI record before making any payments.
Another option that some people ignore is deferring the state pension. Your final payment rises by 1% for every nine weeks that you put off filing, or about 5.8% annually. That is not insignificant. Deferring can make real financial sense for someone who is still employed past state pension age and would otherwise be placed in a higher tax bracket. Longevity is the risk, as usual. You will have received less in total if you postpone and pass away before the break-even point. It’s a real calculation, even though it’s uncomfortable.
Then there are NI credits, which are free credits that can be obtained for times when a person is unemployed, has caregiving obligations, or meets other requirements. In the state pension toolbox, these are typically the least utilized. Many people who had the opportunity to claim credits just never did, either because they were unaware that it was an option or because using the system seemed like too much work at the time.
Observing this problem from a distance, it’s striking that the majority of these issues aren’t caused by people abusing the system or making careless plans. They are the outcome of life—careers that changed, families that required care, and regulations that evolved in the middle. With the best of intentions, the 2016 reforms brought in a new state pension framework, but they also created a period of transition that was so difficult for even some financial advisers to explain.
For most people who are getting close to retirement age, there is still time to take action. It takes minutes to check your state pension forecast on GOV.UK, and the government permits voluntary NI contributions for up to six prior tax years. The annoying reality is that problems with maximum state pension eligibility can frequently be resolved, but only if you identify them early enough to take appropriate action.

