Who does the UK owe £3 trillion to?

When people hear that the UK owes £3 trillion, the obvious question is: owes it to whom? The answer is less alarming than "foreign creditors" and more interesting than "ourselves". It is mostly pension funds, overseas investors, banks, fund managers and, until recently, the Bank of England.

What the government actually borrows with

The UK government borrows mainly by selling gilts: bonds that pay a fixed interest rate (a "coupon") twice a year and repay the face value on a set date, sometimes 50 years away. The Debt Management Office, part of the Treasury, runs the sales.

At 30 June 2026 the DMO's gross debt portfolio stood at £2,994.5 billion in nominal terms, including the inflation uplift on index-linked gilts. Of that, £2,216.0 billion was conventional gilts, £691.9 billion was index-linked gilts, whose payments rise with inflation, and £86.5 billion was Treasury bills, short-term IOUs that mature within a year.

That total sitting close to the £3,005.0 billion headline debt figure is a coincidence. The headline measure, public sector net debt, also counts National Savings & Investments and other liabilities, includes the Bank of England, and subtracts the government's liquid assets.

Who holds the gilts

The ONS publishes who owns gilts, valued at market prices. Market value is lower than face value at the moment because many gilts were issued when interest rates were near zero and now trade below par. At the end of March 2026 the total was £2,198.7 billion.

Overseas investors: 33.6%

Foreign central banks, sovereign wealth funds, pension funds and asset managers hold £739 billion of gilts, a third of the market and the largest single group. That share has risen from 28.7% in 2010 and 28.0% in 2021. A larger overseas share means the UK depends more on foreign appetite for its debt. Some analysts also see it as a sign of confidence that investors around the world still treat gilts as a safe, liquid asset.

Insurers and pension funds: 20.2%

For decades UK pension funds were the natural buyers of long-dated gilts, because they needed safe assets that match pensions due decades away. In 2010 they held 30.4% of the market. That has fallen to 20.2% as old defined-benefit schemes close and transfer their liabilities to insurers.

The September 2022 "mini-budget" showed how much these holders matter. Gilt prices fell so fast that pension funds using leveraged "liability-driven investment" strategies were forced to sell, pushing prices down further. The Bank of England stepped in, buying £19.3 billion of gilts between 28 September and 14 October 2022, and had sold them all again by 12 January 2023.

The Bank of England: 16.6%, and shrinking

Between 2009 and 2021 the Bank of England created money to buy gilts, a policy called quantitative easing. Its gilt holdings peaked at £875 billion in December 2021, when it owned about a third of the market. It is now reversing that, letting gilts mature and selling some back. By 16 September 2026 holdings were down to £488 billion, measured at the price it paid.

In September 2026 the Bank's Monetary Policy Committee voted to unwind a further £368 billion by the end of 2034, about £46 billion a year, while keeping £120 billion of the longest-dated gilts. Any losses on these holdings fall on the taxpayer: the Treasury indemnifies the scheme. It received £123.9 billion of profits from it between 2009 and 2022, but has been paying money back since rates rose, including £16.7 billion in the year to February 2026. By February 2026 the net gain to the Treasury since 2009 had shrunk to £21.3 billion.

Banks and other financial firms: 29.4%

UK banks and building societies hold 10.8% of gilts, up from 6.3% in 2010; banks use gilts as safe assets they can sell quickly. "Other financial firms", including hedge funds, asset managers and trading houses, hold another 18.6%, nearly double their 2010 share.

Households: 0.1%, directly

Very few people own gilts directly: about £3 billion in total. But millions lend to the government another way. National Savings & Investments, the Treasury-backed savings bank behind Premium Bonds, held £251.8 billion from more than 24 million customers at the end of March 2026. Every pound in a Premium Bond is a pound lent to the government.

How the ownership has shifted

The big change since 2021 is the Bank of England stepping back. Every gilt it lets mature or sells has to be bought by someone else, and so far overseas investors, banks and other financial firms have filled the gap. That matters for the interest bill. Gilts the Bank no longer holds have to be sold to private buyers at market prices.

Why the structure matters

Two features of UK debt are unusual. First, it is long: the average gilt matures in 13.4 years (DMO, June 2026), longer than the G7 average according to the DMO, so higher interest rates feed through to the bill slowly as old gilts are refinanced. Second, a large slice is linked to inflation: index-linked gilts make up about a quarter of the portfolio (£691.9 billion of £2,994.5 billion in June 2026), which is why the interest bill jumped when RPI inflation spiked in 2022. Both are covered in our article on the UK's interest bill.

The simple answer to "who do we owe it to?" is: a broad mix of investors, about a third of them abroad, plus 24 million savers with NS&I. The government has to keep those lenders willing to buy, and the price of their willingness is the interest rate.

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