CHI = Composite Health Index. Per-metric min-max normalisation → three axes (economic / demographic / social or infrastructure) → 40 / 30 / 30 weighted composite.
Open public sources only — Eurostat / Destatis / INKAR (DE), CBS / data.gov.il (IL), DLD / Bayanat (AE), GASTAT (SA), data.gov.qa / PSA (QA).
Descriptive ranking within a country. Does not predict events, does not detect crises, does not measure resilience. Full formula at sky-mind.com/methodology.