Insee cuts France 2026 GDP growth forecast to 0.4% as European peers outpace domestic economy

Insee slashes French GDP forecast

On September 10, 2026, the French national statistics agency Insee lowered its 2026 economic growth forecast for France to 0.4%, down from a previous estimate of 0.7%. The revision, published in a quarterly report titled "Orange vigilance on growth", marks a slowdown compared to the 0.9% expansion recorded in 2025. If confirmed, the 0.4% annual rate would represent France's weakest economic performance since 2012, excluding the Covid pandemic years. The updated projection sits below the French government target of 0.7%, with official macroeconomic projections scheduled for an update on September 11, 2026. The downgrade followed a 0.2% contraction in gross domestic product during the first quarter of 2026 and stagnation at 0.0% in the second quarter.

Contrary to its neighbours, the French economy has stalled. Unlike the rest of Europe, activity weakened this winter and remained flat in the spring. This is a surprise that we had not anticipated.

Divergence from European peers

Insee projections point to a modest recovery in the second half of 2026, estimating quarterly growth of 0.1% in the third quarter and 0.2% in the fourth quarter. Despite this projected stabilization, French annual growth is expected to trail behind its peers, expanding at one-third the pace of the wider euro area and the United Kingdom. Economic activity in neighbouring countries maintained positive momentum during the first half of the year. Germany recorded growth of 0.4% in the first quarter and 0.3% in the second quarter, while Italy grew by 0.3% and 0.2% over the same periods. Spain expanded by 0.6% in the first quarter and 0.7% in the second quarter, and the United Kingdom registered rates of 0.6% and 0.4%.

We cannot hide behind shocks at all to explain the weakness of our growth because we do not find it in other European countries.

Domestic demand and investment decline

The statistical institute attributed the divergence to weaknesses across domestic demand components. Household purchasing power is projected to drop by 0.4% across 2026, driven by declining salaried employment and subdued real wage growth. Household consumption, historically a key driver of French economic activity, is forecast to increase by 0.3% over the full year after sluggish performances in 2024 and 2025. Consumer price inflation, recorded at 2.4% in August 2026, is projected to rise to 2.9% by the end of the year. Both household and business investment are projected to contract in 2026, with household investment down 1.3% and corporate investment falling by 0.3% due to higher capital costs and weak demand expectations.

Heatwaves and trade disruptions

External and sectoral disruptions also contributed to the revised outlook. Summer heatwaves are estimated to reduce annual growth by 0.1 percentage points in 2026, primarily through reduced agricultural output. The public works and construction sector experienced a sharp decline in activity, partly linked to reduced local public spending during the French municipal election cycle. In addition, broader economic activity faced headwinds following the closure of the Strait of Hormuz in March 2026, a maritime chokepoint carrying approximately 20% of global oil and liquefied natural gas supplies. Tightened fiscal conditions, driven by deteriorated public finances, further limited fiscal support across the economy.