UN: 3.4 billion affected by housing crisis, 1 billion in slums

A UN report quantifies the global housing crisis, stating 3.4 billion people lack adequate housing and 1 billion live in slums. The figures underscore a systemic failure in urban development and social policy, with implications for public health, social stability, and migration patterns. The report's release is a policy signal, but no specific country-level data or immediate actions are detailed.