More children are going to school, people are living longer, incomes are higher and people have greater potential to shape their societies and their future under democratic forms of government. But the gains have not been universal, and not all lives have been lifted. This reality was the impetus for the intergovernmental agreement on the 2030 Agenda, which aims to leave no one behind. Millions of people are indeed unable to reach their full potential in life because they suffer deprivations in multiple dimensions of human development—lacking income and secure livelihoods, experiencing hunger and malnutrition, having no or limited access to social services, fearing violence and discrimination and being marginalized from the political processes that shape their lives.