Vitor Gaspar, Director of the International Monetary Fund (IMF)’s Fiscal Affairs Department, Paulo Medas, Division Chief in the same department, and Roberto Perrelli, a Senior Economist in the IMF’s Fiscal Policy and Surveillance Division, Fiscal Affairs Department.
In 2020, we observed the largest one-year debt surge since World War II, with global debt rising to USD 226trn as the world was hit by a global health crisis and a deep recession. Debt was already elevated going into the crisis, but now governments must navigate a world of record-high public and private debt levels, new virus mutations, and rising inflation.
Global debt rose by 28 percentage points to 256% of GDP, in 2020, according to the latest update of the IMF’s Global Debt Database.
Borrowing by governments accounted for slightly more than half of the increase, as the global public debt ratio jumped to a record 99% of GDP. Private debt from non-financial corporations and households also reached new highs.
Debt increases are particularly striking in advanced economies, where public debt rose from around 70% of GDP, in 2007, to 124% of GDP, in 2020. Private debt, on the other hand, rose at a more moderate pace from 164% to 178% of GDP, in the same period.
Public debt now accounts for almost 40% of total global debt, the highest share since the mid-1960s. The accumulation of public debt since 2007 is largely attributable to the two major economic crises governments have faced—first the global financial crisis, and then the COVID-19 pandemic.
The great financing divide
Debt dynamics, however, differ markedly across countries. Advanced economies and China accounted for more than 90% of the USD 28trn debt surge in 2020. These countries were able to expand public and private debt during the pandemic, thanks to low interest rates, the actions of central banks (including large purchases of government debt), and well-developed financial markets. But most developing economies are on the opposite side of the financing divide, facing limited access to funding and often higher borrowing rates.
Looking at overall trends, we see two distinct developments.
In advanced economies, fiscal deficits soared as countries saw revenues collapse due to the recession and put in place sweeping fiscal measures as COVID-19 spread. Public debt rose 19 percentage points of GDP, in 2020, an increase like that seen during the global financial crisis, over two years: 2008 and 2009. Private debt, however, jumped by 14 percentage points of GDP in 2020, almost twice as much as during the global financial crisis, reflecting the different nature of the two crises. During the pandemic, governments and central banks supported further borrowing by the private sector to help protect lives and livelihoods. Whereas during the global financial crisis, the challenge was to contain the damage from the excessively leveraged private sector.
Emerging markets and low-income developing countries faced much tighter financing constraints, but with large disparities across countries. China alone accounted for 26% of the global debt surge. Emerging markets (excluding China) and low-income countries accounted for small shares of the rise in global debt, around USD 1–USD 1.2trn each, mainly due to higher public debt.
Nevertheless, both emerging markets and low-income countries are also facing elevated debt ratios driven by the large fall in nominal GDP in 2020. Public debt in emerging markets reached record highs, while in low-income countries it rose to levels not seen since the early 2000s, when many were benefiting from debt relief initiatives.
Difficult balancing act
The large increase in debt was justified by the need to protect people’s lives, preserve jobs, and avoid a wave of bankruptcies. If governments had not taken action, the social and economic consequences would have been devastating.
But the debt surge amplifies vulnerabilities, especially as financing conditions tighten. High debt levels constrain, in most cases, the ability of governments to support the recovery and the capacity of the private sector to invest in the medium term.
A crucial challenge is to strike the right mix of fiscal and monetary policies in an environment of high debt and rising inflation. Fiscal and monetary policies, fortunately, complemented each other during the worst of the pandemic. Central bank actions, especially in advanced economies, pushed interest rates down to their limit and made it easier for governments to borrow.
Monetary policy is now appropriately shifting focus to rising inflation and inflation expectations. While an increase in inflation, and nominal GDP, helps reduce debt ratios in some cases, this is unlikely to sustain a significant decline in debt. As central banks raise interest rates to prevent persistently high inflation, borrowing costs rise. In many emerging markets, policy rates have already increased and further rises are expected. Central banks are also planning to reduce their large purchases of government debt and other assets in advanced economies—but how this reduction is carried out will have implications for the economic recovery and fiscal policy.
As interest rates rise, fiscal policy will need to adjust, especially in countries with higher debt vulnerabilities. As history shows, fiscal support will become less effective when interest rates respond—that is, higher spending (or lower taxes) will have less impact on economic activity and employment and could fuel inflation pressures. Debt sustainability concerns are likely to intensify.
The risks will be magnified if global interest rates rise faster than expected and growth falters. A significant tightening of financial conditions would heighten the pressure on the most highly indebted governments, households, and firms. If the public and private sectors are forced to deleverage simultaneously, growth prospects will suffer.
The uncertain outlook and heightened vulnerabilities make it critical to achieve the right balance between policy flexibility, nimble adjustment to changing circumstances, and commitment to credible and sustainable medium-term fiscal plans. Such a strategy would both reduce debt vulnerabilities and facilitate the work of central banks to contain inflation.
Targeted fiscal support will play a crucial role to protect the vulnerable (see the October 2021 Fiscal Monitor).
Some countries—especially those with high gross financing needs (rollover risks) or exposure to exchange rate volatility—may need to adjust faster to preserve market confidence and prevent more disruptive fiscal distress. The pandemic and the global financing divide demand strong, effective international cooperation and support to developing countries.
This article has been republished from blogs.imf.org.
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