Demographics of people who have been forcibly displaced. Children account for 30 per cent of the world’s population, but 42 per cent of all forcibly displaced people * * Sources: Estimation of IDP demographics (IDMC); Palestine refugees under UNRWA’s mandate (UNRWA); Refugees, people in a refugee-like situation, asylum seekers and Venezuelans displaced abroad are based on the available data (UNHCR) and World Population estimates (UN Department of Economic and Social Affairs).