France entered the last decade with a problem that was already visible.

In 2015, public debt stood at roughly 97% of GDP. Public spending was close to 57% of GDP. Growth was modest. The state was large, taxation was high, and pensions, healthcare, public employment and social transfers consumed a substantial share of national income. [1]

For several years, that structure remained manageable. Interest rates were extremely low. Inflation was weak. European monetary policy kept borrowing costs down. France could refinance its debt cheaply while continuing to run deficits.

The underlying burden remained.

By 2019, public debt was still around 98% of GDP. Public spending was about 55% of GDP. France had made little progress reducing the debt accumulated over the previous decade. [1]

Then came the pandemic.

The Pandemic Changed the Scale

France responded aggressively to COVID-19. The government supported wages, businesses, healthcare and household income while economic activity collapsed.

The intervention protected the economy from a deeper immediate contraction. It also pushed public debt from roughly 98% of GDP in 2019 to almost 115% in 2020. [1]

That increase matters because the economy that emerged from the pandemic entered a very different financial environment.

Inflation returned. Russia invaded Ukraine. European energy prices surged. Central banks raised interest rates, and the cost of borrowing increased.

France entered this period carrying much more debt than it had five years earlier.

The debt never returned to its previous trajectory.

The Fiscal Burden

France now has one of the largest public sectors among advanced economies.

Government spending reached approximately 57.2% of GDP in 2025, around seven percentage points above the euro-area average. Pensions, healthcare and other social spending account for much of the difference. [2]

France also has limited room to solve the problem by collecting substantially more revenue.

Its tax-to-GDP ratio was 43.5% in 2024, the second highest in the OECD. [3]

The basic constraint is clear.

The state spends heavily.

Taxes are already high.

Debt continues to rise.

Economic growth remains weak.

The OECD estimates that French public debt rose to approximately 115.5% of GDP in 2025 and projects it reaching roughly 119% in 2026 and 121% in 2027. [2]

Debt service is also becoming more expensive. Interest costs rose from approximately 1.3% of GDP in 2020 to 2.1% in 2025. [2]

That shift changes the economics of the entire system.

Money spent servicing debt cannot finance healthcare, pensions, defence, infrastructure, education or investment.

Higher rates therefore create pressure even before a fiscal crisis occurs.

Growth Provides Little Relief

Strong growth could make France’s debt easier to carry.

Current growth is weak.

The Banque de France expects real GDP to grow only 0.4% in 2026, after a weak first half of the year. It expects growth of 0.9% in 2027 and 1.2% in 2028. Private investment remains constrained by financing costs and uncertainty surrounding fiscal policy. [4]

France still has important economic strengths.

It has a large domestic market, major industrial companies, strong infrastructure, a substantial nuclear-energy system and globally competitive sectors including aerospace, luxury goods, defence and tourism.

Employment proved relatively resilient after the pandemic. Export competitiveness has also improved in several areas. [2]

Those strengths help explain why France continues to function despite deteriorating public finances.

They have not generated enough growth to stabilize the debt.

Politics Makes the Arithmetic Harder

France’s fiscal problem quickly becomes political.

Reducing spending means touching programs that millions of people depend on.

Pensions are the clearest example.

Healthcare, unemployment protection, local government, public employment and social benefits create similar conflicts.

These programs developed over decades. They became part of the relationship between the French citizen and the state.

Attempts to change them therefore produce resistance far beyond accounting debates.

France has repeatedly experienced strikes, protests and political crises around pension reform, taxation and public spending.

At the same time, parliament has become increasingly fragmented.

Governments must find major fiscal savings while lacking a stable political majority capable of imposing them.

That makes gradual reform difficult and rapid reform politically dangerous.

France also operates inside European fiscal rules.

The European Union opened an Excessive Deficit Procedure against France after its deficit reached 5.5% of GDP in 2023. France has been instructed to bring the deficit back below the EU threshold by 2029 while limiting the growth of public expenditure. [5]

France therefore faces pressure from both directions.

Domestic politics resists spending reductions.

European rules demand fiscal adjustment.

Bureaucracy Adds Cost

France’s problem extends beyond the total amount of spending.

The efficiency of that spending also matters.

The OECD has identified weak results in several areas despite very high public expenditure. It has called for stronger spending reviews, fewer ineffective tax expenditures and better allocation of public resources. [2]

The French tax system is also unusually complex.

Hundreds of tax exemptions, deductions and special provisions narrow the tax base and make the system harder to administer. [2]

Complex administration creates another political obstacle.

Every exception develops a beneficiary.

Every subsidy develops a constituency.

Every reform creates opposition.

The result is a system that is expensive to operate and difficult to simplify.

Energy, Climate and Defence

France now faces additional spending demands.

Europe is increasing defence expenditure.

The population is ageing.

Infrastructure requires investment.

The energy transition requires capital.

Climate adaptation will require more.

France’s nuclear fleet gives it an important advantage because it reduces its dependence on imported fossil fuels for electricity.

It still operates inside the wider European energy and industrial system. Higher oil, gas, transport and financing costs affect French companies and households even when domestic electricity production is relatively protected.

The current Middle East energy shock adds another layer of pressure to an economy already dealing with weak growth and expensive debt.

The Market Is Starting to Pay Attention

For years, France benefited from its position at the core of Europe.

French government debt traded relatively close to German debt. Investors treated France as one of the euro area’s central sovereign borrowers.

That assumption has weakened.

Investors now demand a larger premium to hold French debt relative to German debt.

The change reflects several concerns at once: rising debt, persistent deficits, weak growth, political fragmentation and uncertainty over whether future governments will sustain fiscal reform.

Market perception matters because France must continuously refinance a very large stock of debt.

Even a modest increase in borrowing costs compounds over time as old debt matures and is replaced with more expensive debt.

That process is already underway.

The Structural Problem

France’s economic model developed over decades.

Cheap financing made that model easier to carry.

The pandemic increased the debt burden.

Inflation and war increased costs.

Higher interest rates raised debt service.

Weak growth reduced the economy’s ability to absorb those costs.

Political fragmentation made reform harder.

Ageing, defence and the energy transition created additional spending demands.

France now has to adjust a large and deeply embedded state while economic growth remains weak and borrowing costs rise.

That is the core problem.

France still has significant economic assets. It also has less room to use them poorly.

The next several years will depend on whether the country can increase growth, control spending and restore fiscal credibility faster than its debt and financing costs increase.

Markets have begun pricing that contest.

Sources

[1] INSEE — French public debt and government accounts, 2015–2020.

[2] OECD Economic Surveys: France 2026.

[3] OECD Revenue Statistics 2025.

[4] Banque de France — Macroeconomic Interim Projections, September 2026.

[5] Council of the European Union — Excessive Deficit Procedure: France.