Lagos State Parametric Flood Insurance Policy
Since 26 March 2026 Lagos State has held a parametric flood insurance policy: instead of assessing damage after a flood, the contract pays when satellite-observed flood extent crosses an agreed threshold, so money moves without a loss adjuster. ICEYE radar satellites supply the flood footprints, JBA Risk Management built the model, AXA Mansard fronts the risk in Nigeria, and Swiss Re, African Risk Capacity Ltd and Africa Re carry it. Cover runs to US$7.5 million per event across seven of the state's twenty local government areas — Ajeromi-Ifelodun, Alimosho, Amuwo-Odofin, Apapa, Kosofe, Ojo and Somolu, all inside metropolitan Lagos. Three things are not public. The trigger thresholds are undisclosed, so no resident can check whether a flood should have paid. The premium is undisclosed, and Germany's InsuResilience Solutions Fund paid 90 per cent of the first year and keeps co-financing years two and three, so Lagos has never carried the full cost. And as of late July 2026, in the middle of the rainy season, no payout has been reported. Money would go to the state, which has undertaken to spend it on relief and cash transfers under its Flood Contingency Plan, identifying recipients through the LASRRA resident register.
📊 Impact
Every figure below comes from the donor-insurer consortium's own announcements, not from an independent review. UNDP's Insurance and Risk Finance Facility and the InsuResilience Solutions Fund state cover of up to US$7.5 million per flood event across seven local government areas, and a protected population of "up to 4 million" — a headcount of those areas rather than a register of insured people. The InsuResilience Solutions Fund states it financed 90 per cent of the first-year premium, with Lagos State committing to raise its share beyond 10 per cent in years two and three while the fund continues to co-finance; the premium itself is not disclosed by any party. ICEYE's Mike Bennett told business a.m. that radar flood observations reduce basis risk compared with rain or river gauges and that payment should take under a month — a supplier statement about an untested policy, not a measured result. No payout had been reported by 26 July 2026.
🎓 Lesson
Parametric cover is the cleanest form of measurement-with-consequence: the observation is not an input to a decision, it is the decision. But that only converts into accountability if the parameters are public and the money is traceable. Lagos publishes neither the threshold nor the premium, and the contract pays the state rather than the flooded household, so the four million people in the headline are beneficiaries by policy intention, not by contract. A premium someone else pays is also not yet a commitment: the test is the first payout, and the first renewal the state funds itself.
Sources
📎 Cite this project
1001 Smart Cities (2026). “Lagos State Parametric Flood Insurance Policy” — Lagos, Nigeria. The Smart City Atlas. https://1001smartcities.org/projects/lagos-parametric-flood-insurance/ (last verified 2026-07-26). Data: CC BY 4.0.
The underlying data is free to reuse with attribution — see the open data page.
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