THE FINANCES OF THE CITY OF PARIS
From 2019 to 2026
Where the money comes from, where it goes. No jargon.
Example: 2026 voted budget
€11.7 Bn
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Source: Administrative accounts & 2026 voted budget · opendata.paris.fr · Paris City Council
Explore
How much does it cost to run the city?
€9.3 Bn/year to keep the city running: salaries, school meals, street lighting, road maintenance.
Budget flows →GrantsWho receives grants?
6,000+ associations funded by the City, sorted by category and amount.
Recipients →InvestmentsWhat works in my neighbourhood?
Schools, gyms, roads. All geolocated projects, district by district.
Project map →TrendsIs the budget on track?
Revenue and spending trends since 2019. Gaps between voted and actual budgets.
Trends & execution →AssetsWhat does Paris own?
Land, buildings, networks: the city's assets versus its debt.
Balance sheet →HousingWhere is the social housing?
Map of funded social housing since 2010, by district and programme.
Housing map →Not just open data
The data already exists
CSVs, Excel files, PDFs from the Paris Council, opendata.paris.fr. The problem isn't access, it's readability.
Transformed, modelled, analysed
Capital projects extracted from council deliberations, geolocated by district, grants classified, spending tracked line by line since 2019.
100% open source
Every step can be replicated, audited, modified. If a number looks wrong, trace it back to the source.
GitHub →Who is this for
Understand where your money goes
Explore your city's finances without accounting jargon. Vote with full knowledge.
Ready-to-use data
Pre-modelled and structured data. Focus on analysis, not cleaning Excel files.
Reusable pipelines
Reuse the transformation pipelines for your own data infrastructure. Open code, documented standards.
Données Lumières is a citizen project, independent of any political party and of the City of Paris. Understanding your city's accounts shouldn't require a degree in public accounting.
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