For the systematic tracking of levels and trends in urbanization throughout the world, the Population Division of the Department of Economic and Social Affairs of the United Nations has issued a recurrent series, known as World Urbanization Prospects, since 1988 The series provides estimates and projections of the size of the urban and rural populations of all countries and of the populations of cities or urban agglomerations above a threshold of 300,000 inhabitants Today, we are releasing the results of the 2018 Revision of World Urbanization Prospects