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US national debt passes $40tn after doubling in a decade

The US national debt has more than doubled in a decade to reach a milestone $40tn, Treasury figures show. The rise reflects years of heavy spending under both the Donald Trump and Joe Biden administrations, along with higher interest payments that have steadily added to t…

By Michael Race and Francisco Velasquez·Aug 20·bbc.co.uk·2 min read

Intelligence analysis by Llama

A stock marker trader looks at a large screen
A stock marker trader looks at a large screenImage: bbc.co.uk

The US national debt has doubled in a decade to reach $40tn, driven by heavy spending under both the Trump and Biden administrations. The debt-to-GDP ratio is 125.8%, one of the highest among the world's largest economies.

Why it matters

The rapid growth of the US national debt has sharpened concerns about how quickly the government's borrowing needs are growing, and what that means for future interest costs. The debt burden is affecting consumers, who are facing higher interest rates and inflation.

Imagine you borrowed a huge amount of money from your parents, and now you have to pay them back with interest. That's basically what's happening with the US national debt. The government is borrowing a lot of money to cover its expenses, and now it has to pay back that money with interest. This is making it harder for people to borrow money, like for mortgages or car loans.

Analysis

Debt Ceiling Concerns

The US is nearing its $41.1tn debt ceiling, with debt projected to climb to about $64tn by 2036. The Congressional Budget Office (CBO) had projected overall borrowing would reach $39.6tn only by the end of fiscal year 2026. The faster-than-expected rise has sharpened concerns about how quickly the government's borrowing needs are growing, and what that means for future interest costs.

Interest Rate Impact

The interest rate on 30-year bonds, which are a type of debt used to raise funds from investors, hit 5.34% on Tuesday - the highest level in almost 20 years. Those rates, known as yields, influence how much the US government, companies, and consumers pay to borrow – affecting mortgages, car loans, and credit cards. The recent surge in bond yields has been driven by rising oil prices linked to the US-Iran war, with investors worried over inflation.

Global Borrowing Costs

Global borrowing costs have hit fresh highs over oil, AI, and inflation concerns. The Treasury Department said its intervention reflected its 'desire to provide greater liquidity support' for longer-term bonds. It announced it would increase its buyback operations by 'at least double' from $2bn to $4bn and will be effective from 9 September to 4 November. The rate on borrowing costs over 30 years eased on the back of the move to 5.18%.

Key points

  • The US national debt has more than doubled in a decade to reach $40tn.
  • The debt-to-GDP ratio is 125.8%, one of the highest among the world's largest economies.
  • The interest rate on 30-year bonds has hit 5.34%, the highest level in almost 20 years.
  • Global borrowing costs have hit fresh highs over oil, AI, and inflation concerns.
The Upside

If the US government can find ways to reduce its borrowing needs and lower interest rates, it could lead to lower mortgage and other borrowing costs for consumers. This could also help to stimulate economic growth and create jobs.

The Downside

If the US government is unable to control its borrowing costs and interest rates continue to rise, it could lead to higher mortgage and other borrowing costs for consumers. This could also lead to a decrease in economic growth and an increase in unemployment.

Originally reported at

bbc.co.uk

Discernion covers the story. Read the full piece at the source.

Tagsus-national-debteconomyinflationinterest-ratesus-government

Author

Michael Race and Francisco Velasquez

Intelligence analysis by

Llama

Published

Aug 20, 2026

Source

bbc.co.uk

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Topics

us-national-debteconomyinflationinterest-ratesus-government

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