What is government debt and how does it affect financial markets?

Government debt is the total outstanding amount a government owes its creditors, mainly through bonds, bills, notes, and loans. Governments borrow to cover budget deficits, finance investment, and refinance existing debt. Whether government debt is manageable depends on its cost and the government’s capacity to repay it.

Why do governments borrow?

Governments borrow to finance spending that current revenue doesn’t cover and to spread the cost of long-term investments over time.

During a recession, tax revenue often falls while spending on unemployment benefits and other support rises. Borrowing can help maintain public services without immediately raising taxes or cutting spending. Governments may also borrow to support economic activity during emergencies.

Debt can finance infrastructure, education, and other investments whose benefits develop over many years. However, borrowing also finances ongoing spending commitments. Whether government debt strengthens public finances depends partly on how the money is used and whether future revenue can support repayment.

How does government borrowing work?

Governments commonly borrow by issuing debt securities, which give investors a contractual claim to repayment under specified terms.

Debt securities differ in maturity, interest payments, and protection against inflation. In the US, the main marketable Treasury securities include:

When debt matures, a government may repay it using available funds or issue new debt to replace it. Replacing maturing debt with new borrowing is called refinancing, or rolling over debt. Refinancing creates exposure to the interest rates and investor demand available at that time.

What is the difference between government debt and a budget deficit?

Government debt measures outstanding obligations at a particular date, while a budget deficit measures how much government spending exceeds revenue over a period, usually a fiscal year.

For example, a government that collects $900 billion and spends $1 trillion runs a $100 billion deficit. Financing that shortfall through borrowing generally adds to government debt. A smaller deficit means borrowing needs have decreased; it doesn’t mean existing debt has fallen.

A budget surplus occurs when revenue exceeds spending and can provide funds to reduce debt. However, changes in cash balances, financial transactions, and valuation can also affect reported debt. Annual deficits and changes in debt therefore don’t always match exactly.

How is government debt measured?

Government debt statistics differ according to which public institutions, liabilities, and financial assets they include.

Four common terms help identify what a debt figure measures:

Under the IMF’s framework, net debt subtracts financial assets held as debt instruments, such as deposits, loans, and debt securities. It doesn’t subtract the value of every public asset, such as roads or government buildings.

Broader public sector measures may also include public corporations. Cross-country comparisons are more useful when the figures use comparable coverage, valuation methods, and reporting dates.

Who owns government debt?

Government debt is held by domestic and foreign creditors, including households, banks, investment funds, pension funds, central banks, other governments, and international financial institutions.

The mix of creditors affects how a government obtains funding. Banks and investment funds may purchase tradable securities, while other governments and international institutions may provide loans. Certain government accounts can also hold debt issued by their own government.

The creditor’s location and the borrowing currency are separate characteristics. Foreign investors can hold debt denominated in the borrower’s own currency, and domestic investors can hold foreign-currency debt. Foreign-currency borrowing exposes the government to exchange-rate changes.

What is the government debt-to-GDP ratio?

The government debt-to-GDP ratio compares outstanding government debt with the economy’s annual output, providing context for the size of the debt.

The calculation is:

Government debt-to-GDP ratio = Government debt / Nominal GDP × 100

Nominal gross domestic product measures the value of goods and services produced at current prices. If government debt is $1.2 trillion and annual nominal GDP is $1.5 trillion, the debt-to-GDP ratio is 80%.

The ratio can fall even when debt rises. If debt increases to $1.26 trillion while nominal GDP grows to $1.65 trillion, the ratio falls to about 76.4%.

A ratio above 100% means debt exceeds one year’s economic output. It doesn’t establish that default is imminent. GDP isn’t government revenue, and debt-to-GDP alone doesn’t capture repayment schedules, borrowing costs, or access to financing.

What makes government debt sustainable?

Government debt is sustainable when a government can meet its current and future payment obligations without default or exceptional financial assistance.

Debt sustainability depends on several connected factors:

• Interest costs: Higher rates increase the cost of new borrowing and debt that refinances or resets.
• Economic growth: A growing economy can expand the tax base and reduce debt relative to GDP.
• Primary budget balance: Revenue minus spending excluding interest payments. A primary surplus provides resources toward interest costs; a primary deficit adds financing needs.
• Repayment schedule: Large amounts of debt maturing soon create greater refinancing exposure.
• Borrowing currency: Foreign-currency debt becomes more expensive in local-currency terms when the local currency weakens.
• Institutions and market access: Credible policies and dependable funding sources influence a government’s ability to borrow.

Inflation can reduce the purchasing-power value of existing fixed-rate debt denominated in domestic currency. However, inflation can also increase future borrowing rates and payments on inflation-linked debt.

There’s no single debt-to-GDP threshold that separates sustainable debt from a debt crisis across all countries.

How does government debt affect financial markets?

Government debt affects financial markets through borrowing costs, investor confidence, and the role government securities play in the financial system.

One example: concerns about repayment or increased borrowing needs can lead investors to demand higher bond yields. For an existing fixed-rate bond, a higher market yield corresponds to a lower price. However, yields also respond to inflation and monetary policy, so rising yields don’t necessarily signal worsening public finances.

Government debt can also affect banks that hold government securities. Falling bond values can create losses, while concerns about government finances can weaken confidence in the wider financial system.

Currency markets (FX) can react when debt concerns change investor demand for a country’s assets. Currency depreciation can then increase the local-currency burden of foreign-currency debt, adding pressure to public finances. These relationships depend on the country and market conditions; the debt figure alone doesn’t determine the direction of asset prices.

What happens when a government cannot repay its debt?

A government can default when it fails to make a required interest or principal payment under its debt terms.

A government facing repayment difficulties may negotiate a restructuring with creditors. Restructuring can involve extending maturities, reducing interest payments, or reducing the amount owed. Negotiations may begin before a missed payment, so restructuring doesn’t always start with a payment default.

Unlike companies, sovereign governments don’t enter a single global bankruptcy process. Resolving sovereign debt problems generally involves negotiations with different creditor groups.

Debt distress can restrict access to financing, raise future borrowing costs, and disrupt the domestic economy, including banks and investors that hold government debt.

Exploring government debt with TradingView

TradingView connects government debt data with bond yields and economic releases, helping you examine public finances alongside market conditions.

• Track debt levels and ratios. Explore US government debt and US government debt-to-GDP. Indicator pages identify the data source, reporting frequency, and units. Check those details before comparing countries or combining series.
• Examine market yields. Open the US 10-year government bond yield in Supercharts to explore its history. A yield chart measures market yield, rather than the amount of government debt outstanding.
• Compare maturities and countries. Use Yield Curves to compare government bond yields across maturities, countries, and historical dates.
• Follow the economic backdrop. Use the Economic Calendar to track GDP, inflation, and interest-rate announcements that can influence debt sustainability and bond markets. Filters let you focus on countries, categories, and event importance.

Government debt data describes public obligations, while bond yields reflect market pricing. Exploring both provides a fuller view of how a government’s finances interact with financial markets.

Understanding the burden of government debt

Government debt creates financial pressure when servicing costs outpace the government’s ability to pay. Economic growth can ease that pressure, even as the debt balance rises. Higher borrowing costs can have the opposite effect, particularly when large amounts of debt need refinancing.

Exploring debt trends alongside government bond yields on TradingView connects public finances with market expectations. Bond yields also reflect inflation and monetary policy, so they provide additional context rather than a definitive assessment of a government’s financial health.