French inflation surges adding to the economys mounting pressures

Key arguments

• French inflation accelerated more than expected in September, driven primarily by energy prices which rose 21.2% year-on-year, with market gas price increases not yet fully passed through.
• Underlying price pressures excluding energy remain relatively weak and should stay below 2%, as weak demand and a soft labour market limit wage pressures and companies' pricing power.
• Household consumption fell 0.5% in August, increasing the risk of a third consecutive quarter of stagnation and making the government's 0.5% growth forecast for 2026 appear too optimistic.
• Rising debt and interest rates are creating a fiscal deterioration loop, with the 10-year yield near 4.8% and the spread over Bund at around 120 basis points, with no clear catalyst for sustained tightening.

Corresponding source evidence

1. Higher inflation will weigh on purchasing power again at a time when consumption is weakening and rising interest rates are exacerbating France’s fiscal difficulties Inflation surprises sharply to the upside French inflation, as measured by the consumer price index, rose more than expected to 3.0% year-on-year in September, up from 2.4% in August.
2. The figure was also higher than Insee’s latest forecast, which only two weeks ago projected HICP inflation of 2.9% in September.
3. The government has instead opted for targeted support measures, which support the incomes of certain households and sectors but do not directly reduce measured inflation.