Investing in inclusive, resilient and connected Zanzibar.
BIG-Z is a USD 150 million integrated development programme delivering improved infrastructure, services and institutional capacity across Unguja and Pemba — in partnership with the Revolutionary Government of Zanzibar and the World Bank.
Stone Town Mobility & Public Space
Four strategic components,
one integrated programme.
Area-Based Urban and Infrastructure Development
Integrated urban upgrading, mobility, drainage, public spaces and solid waste improvements across Unguja and Pemba.
Institutional Strengthening and Innovation
Capacity building, municipal finance instruments, urban management tools and digital technology solutions.
Project Management and M&E
PMT operations, monitoring, evaluation, safeguards, communications, stakeholder engagement and grievance redress.
Contingent Emergency Response (CERC)
Pre-positioned response mechanism for eligible emergencies during the project lifetime.
Project dashboard
Planned vs actual progress and component allocation. Updated as the PMT verifies new evidence and reports.
Implementation S-curve
% completeAllocation by component
% of project envelope
- Component 1 — Urban & Infrastructure78%
- Component 2 — Institutional12%
- Component 3 — PM & M&E8%
- Component 4 — CERC2%
Outcomes that translate into measurable change.
Quick links
Jump straight into the most-visited sections of the BIG-Z portal.
Explore sub-projects across Unguja and Pemba.
Live KPIs and progress against BIG-Z targets.
ESMF, RPF, ESMPs, RAPs and SEP disclosures.
Procurement notices and opportunities.
Latest news from the Project Management Team.
Raise a concern through the BIG-Z GRM.
Partners and stakeholders
BIG-Z is delivered through a partnership of government institutions, development partners, and the project's implementation team.
Have a concern or complaint?
The BIG-Z GRM is open to project-affected people, communities, and the public. Submissions can be anonymous and are handled in confidence.