KUALA LUMPUR, Oct 31 — Stronger international cooperation is needed to address the global housing crisis, with approximately 3.4 billion people worldwide experiencing some form... In making the call, Nga, who is also United Nations Human Settlements Programme (UN-Habitat) Assembly president, said that more than 1.16 billion people lived in informal settlements, including slums, while 44 per cent of urban renters spent an unsustainable proportion of their income on rent.