Housing Affordability and Homelessness
Shelter has become unaffordable across most of the urban world.
Severity score
48.7
Serious · default weighting
Trajectory
Worsening
What this is
Housing costs have outpaced incomes in most major cities, pushing up homelessness, overcrowding and informal settlement. Over a billion people live in slums or inadequate housing, with direct consequences for health, education and disaster vulnerability.
Score breakdown
Each factor is a 0–100 relative severity index, not the raw figure or a specific time period. The actual counts and periods are listed under "Standardized Impact" on the right.
Loss of life
24Direct and attributable mortality, normalised across annual and cumulative tolls.
Lives negatively impacted
84People displaced, injured, food-insecure, exposed or otherwise materially harmed.
Financial cost
64Direct damage, lost output and health-system spend attributable to the event.
Environmental impact
10Emissions, habitat and biodiversity loss, contamination and irreversibility.
Trajectory
62Whether the situation is escalating, and how much worse it is plausibly getting.
Audit trail
Everything this entry has been through — when it was first searched for, queued, reviewed and approved, and how its figures and rank have moved since.
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