By Gavin Mackintosh-
Millions of UK university graduates are facing a growing student debt crisis as monthly repayments are consistently outpaced by interest charges, leaving many borrowers deeper in the red even after years of paying back their loans. One of the starkest examples emerged on 23 January 2026, when Helen Lambert, 33, revealed her student loan debt had increased from around £57,000 to over £77,000, despite having made regular repayments totalling nearly £4,000 since 2021.
Lambert, an NHS nurse who studied at Edinburgh Napier University, told The Guardian she saw her debt climb because the interest added each month has often exceeded the repayments she makes sometimes by more than £200–£300 per month. Her monthly interest charges have reached as high as £488.
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Lambert’s experience is far from unique. The UK’s student loan system particularly Plan 2 loans taken out by those who started university from 2012 onwards currently uses interest rates tied to the Retail Price Index (RPI) plus up to 3 %, meaning graduates can be charged around 7.3 % or more in interest annually on their outstanding balance.
The way the plans are structured means repayments only begin once borrowers earn above a threshold currently £29,385 and are set at 9 % of income above that level. For many graduates, especially those on modest salaries, this has meant repayments that barely cover interest accrued, let alone reduce the principal owed.
These trends are reflected nationwide. Recent data shows that across England in 2024–25, approximately £15 billion in interest was added to student loan balances while only £5 billion was repaid, underscoring the imbalance between what graduates pay and what they actually reduce on their loans.
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Worse still, new figures show a growing number of borrowers are not even cutting into the interest portion of their debt. According to a report published today in The Times, around 67 % of UK graduates in the 2024–25 tax year were failing to pay down even the interest on their loans, meaning their total balances will continue to rise over time.
Campaigners and financial experts warn that this system once marketed as manageable because most would never repay more than they earned above the threshold has instead trapped borrowers in a cycle where debt grows despite continued repayment efforts.
The underlying mechanics driving these growing balances are twofold: high interest rates tied to inflation measures and a repayment threshold frozen in cash terms, which pushes more income into repayment bands as wages rise over time.
Under the current plan rules, Plan 2 borrowers begin repaying when they earn above the threshold. However, that threshold has been frozen at £29,385 until at least 2030, meaning that as wages climb with inflation, more graduates will be pulled into repayment earlier and for longer, increasing the total they pay in interest over their working lives.
This has direct consequences for borrowers’ long‑term financial health. Even those on relatively solid salaries, such as the 27‑year‑old graduate “George” featured in Big Issue, report that they owe more now than when they graduated despite paying around £2,000 a year
. George, who earns just over £50,000 in finance work, says his debt balance of about £31,000 continues to rise because repayments are still less than the interest added annually.
Across the UK, there are now more than 2.6 million people with student loan debts over £50,000, and more than 150,000 borrowers carrying debts above £100,000, according to recent figures. These eye‑watering statistics highlight how common it is for graduates to leave university and find their debt continues to grow for decades.
This dynamic is particularly pronounced because student loans are written off after around 30 years, meaning many graduates will never fully repay the principal, even if they continue making regular payments throughout their careers. Lambert herself acknowledged she will “never clear” her student debt, which will likely be written off long before she pays it down.
Financial analysts point to systemic concerns that the student loan regime no longer functions as originally intended. When Plan 2 loans were introduced in 2012, the assumption was that graduates’ earnings would rise steadily, allowing repayments to outpace interest.
But stagnant real wages for many, compounded by high inflation and RPI‑linked interest charges, have resulted in debts that grow over time, especially for moderate earners.
Moreover, forecasts from the Department for Education show that average borrowing per student is expected to rise further.
Students starting degrees in the 2029–30 academic year are projected to borrow nearly £17,830 per year, driven by increases in both tuition and maintenance loans, a 15 % rise compared with 2024–25 figures. Longer courses could see undergraduates accumulate over £64,000 in total borrowing before they even enter repayment.
Critics argue these trends make the current system unsustainable and unfair particularly when compared with other forms of borrowing. While student loans do not affect credit scores like traditional debt, the fact that most balances will never be fully repaid means they operate more like a hidden tax on graduates than a conventional loan.
Unsurprisingly, public sentiment reflects deep frustration. Surveys indicate that 57 % of borrowers regard the system as unfair, with many feeling they are essentially paying a “graduate tax” without commensurate benefits.
In the face of these realities, some graduates are calling for reforms including redefining student loans as a tax, increasing the repayment threshold, or revisiting the way interest rates are calculated so that repayments more effectively reduce the principal balance.
Winder Implications for Borrowers And The Economy
The implications of these trends extend beyond individual graduates to the broader UK economy, particularly as young professionals struggle to save, invest, buy homes or plan for retirement due to the long shadow of student debt.
Economic research shows that the total value of student loans outstanding in England alone was already around £236 billion by mid‑2023, and the disparity between repayments and interest added has widened since 2017–18, with interest increasingly outpacing what borrowers pay back.
In the 2023–24 financial year, the total interest added to outstanding loans was three times higher than the total repayments made a stark indicator of how the system’s structure can trap borrowers in a growing debt balance.
This has also fuelled wider debates about graduate financial wellbeing, with policymakers and campaigners questioning whether the current student loan model discourages ambition or economic participation.
Some argue that graduates delaying major life decisions such as buying a home or starting a family are doing so partly because student debt continues to rise despite consistent repayments.
Additionally, the rising debt burden raises policy questions about intergenerational fairness, especially when older cohorts of students faced different loan terms (such as lower fees and interest rates) compared with those who began university after 2012. Critics say this has created a two‑tier system where younger graduates carry disproportionate financial burdens for longer.
There have even been calls to improve transparency and support around student loan repayments for example, ensuring borrowers understand how interest is calculated, encouraging refunds where overpayments occur, and providing better advice on whether extra voluntary repayments are beneficial for high earners.
While debate continues, Lambert and many others remain resigned to a future where their student loans remain a lingering financial drag, even decades after graduation. “It’s not just about the amount owed it’s about the principle,” she said. “I’m paying quite a bit each month, yet it feels like I’m not making any real progress.”
Whether the government will revise the current regime to address growing discontent and the statistical reality of rising graduate debt remains to be seen. But for now, millions of UK graduates face the frustrating paradox of paying regularly into a system that still leaves their debt growing.
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