Boulogne-Billancourt: debt and taxation
How spending has changed
€2,235 per resident in 2025, against €1,962 in 2019.
€271.3M
spent in 2025
In millions of euros
Inflation between 2019 and 2025: 16% (Insee).
Main budget: running costs, works and loan repayments. Source: the town’s accounts (DGFiP).