Exposure SR-3
Standing reference data on what is exposed to hazards per area — population, buildings, infrastructure, and productive assets. Feeds Risk assessments and Impact estimates; not itself a hazard condition.
Exposure — Analamanga
| Category | Measure | Value |
|---|---|---|
| Population | Total residents | 1,240,000 |
| Population | Residents in flood-prone zones | 142,000 |
| Buildings | Residential structures | 218,000 |
| Infrastructure | Health facilities | 3 hospitals, 14 clinics |
| Infrastructure | Schools | 112 |
| Infrastructure | Bridges / road crossings | 26 |
| Productive assets | Agricultural land (ha) | 38,500 |
| Productive assets | Livestock (head) | 96,000 |
This standing reference data — not a hazard reading — is what Impact estimates (Human Impact, Sector Damage) are computed against when an alert is active.
Sources: National census 2024 (population/buildings) · Ministry of Health facility
registry (2026) · Ministry of Education (2025) · Ministry of Agriculture
land-use survey (2025).