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Belgium’s heatwave death toll exposes gaps in protecting older people at home

Belgium recorded about 1,200 excess deaths during the late-June heatwave, according to reporting citing the health ministry, with older people bearing the heaviest toll.

Belgium Impulse Editorial·7 July 2026·1 min read·7 sources
Key signal

The reported death toll shows that heatwaves are a direct public health emergency in Belgium, especially for people aged 85 and over, people living alone, chronically ill residents and those in poorly cooled housing.

The subject is excess mortality during Belgium’s late-June 2026 heatwave. Excess mortality means the number of deaths above the expected level for a comparable period. The key institutions are Belgium’s health ministry, Sciensano’s Be-MOMO mortality monitoring system, Statbel, the National Register, and regional heat-health campaigns such as Warme Dagen in Flanders.

Background

Belgium has monitored excess mortality through Be-MOMO since the mid-2000s. Sciensano says the system was designed to detect unusual mortality from epidemics and environmental conditions such as heatwaves, ozone peaks and particulate pollution.

OIS Intelligence

Impact

Regional — Flanders is directly relevant because the Dutch-language Warme Dagen campaign and local authorities are central to communicating heat advice, organising cooling places and reaching vulnerable residents.

Opposing perspectives

  1. Public health authorities

    Public health authorities focus on early alerts, mortality surveillance and targeted advice for vulnerable groups. Their approach prioritises hydration, cooling spaces, checking on older people and using systems such as Be-MOMO to detect excess deaths quickly enough to reinforce measures.

  2. Local governments and care organisations

    Municipalities, care providers and social organisations face the operational burden of turning warnings into action. Their concern is capacity: staffing home visits, keeping cooling places open, identifying isolated residents and coordinating help during heatwaves that now arrive earlier and last longer.

Sources & evidence