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Government debt levels have grown in most parts of the world since the 2008 financial crisis, and even more so after the COVID-19 pandemic.

To gain perspective on this long-term trend, we’ve visualized the debt-to-GDP ratios of advanced economies, as of 2000 and 2024 (estimated). All figures were sourced from the IMF’s World Economic Outlook.

Data and Highlights

The data we used to create this graphic is listed in the table below. “Government gross debt” consists of all liabilities that require payment(s) of interest and/or principal in the future.

The debt-to-GDP ratio indicates how much a country owes compared to the size of its economy, reflecting its ability to manage and repay debts. Percentage point (pp) changes shown above indicate the increase or decrease of these ratios.

Countries with the Biggest Increases

Japan (+116 pp), Singapore (+86 pp), and the U.S. (+71 pp) have grown their debt as a percentage of GDP the most since the year 2000.

All three of these countries have stable, well-developed economies, so it’s unlikely that any of them will default on their growing debts. With that said, higher government debt leads to increased interest payments, which in turn can diminish available funds for future government budgets.

This is a rising issue in the U.S., where annual interest payments on the national debt have surpassed $1 trillion for the first time ever.

Only 3 Countries Saw Declines

Among this list of advanced economies, Belgium (-2.8 pp), Iceland (-21.2 pp), and Israel (-20.6 pp) were the only countries that decreased their debt-to-GDP ratio since the year 2000.

According to Fitch Ratings, Iceland’s debt ratio has decreased due to strong GDP growth and the use of its cash deposits to pay down upcoming maturities.

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