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Brussels Governance Monitor

Woluwe-Saint-Lambert: citizen participation pioneer

Mayor : Olivier Maingain (DéFI)Coalition : DéFI, Les Engagés
Population : 60 888Postal code : 1200Area : 7.29 km²Council seats : 39
Up to date ·

Transparency grid

5/6 criteria

Budget online

Yes

Council minutes online

Yes

Council livestream

Yes

Municipal Open Data

No

Participation platform

Yes

Mandate registry

Yes

Key figures

~60 888

Population

IBSA (estimation)

7,29km²

Superficie

IBSA

200 000EUR

Budget participatif annuel

woluwe1200.be

Alerts

  • First Brussels municipality to adopt a participation code (2008)1 January 2008

Brussels' participation pioneer

Woluwe-Saint-Lambert has approximately 61,000 inhabitants. In 2008, it became the first Brussels municipality to adopt a citizen participation code. Olivier Maingain (DéFI) leads the municipality with Les Engagés.

Transparency: 5 out of 6 criteria

The budget and council minutes (dedicated page organised by year) are published online, the council has been livestreamed since 2019, the mandate registry is accessible, and the municipality runs a participatory budget of EUR 200,000/year with 60 to 80 annual meetings. No dedicated Open Data portal.

Citizen participation: a model

Woluwe-Saint-Lambert devotes EUR 200,000 per year to its participatory budget, the highest among Brussels municipalities. The 2008 participation code structures 60 to 80 citizen meetings per year.

Sources

Official

Last updated: 12 February 2026

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