The current world population of 7.3 billion is expected to reach 8.5 billion by 2030, 9.7 billion in 2050 and 11.2 billion in 2100, according to a new UN DESA report, “World Population Prospects: The 2015 Revision”, launched today.

“Understanding the demographic changes that are likely to unfold over the coming years, as well as the challenges and opportunities that they present for achieving sustainable development, is key to the design and implementation of the new development agenda,” said Wu Hongbo, UN Under-Secretary-General for Economic and Social Affairs. Read more

Today, 54 per cent of the world’s population lives in urban areas, a proportion that is expected to increase to 66 per cent by 2050. Projections show that urbanization combined with the overall growth of the world’s population could add another 2.5 billion people to urban populations by 2050, with close to 90 percent of the increase concentrated in Asia and Africa, according to a new United Nations report launched today. Read more

World Population Policies 2013 report is part of a series that provides comprehensive and up-to-date available information on the population policy situations and trends for all 193 Member States, two Observer States and two non-member States of the United Nations. The publication documents changes in Government views and policies from 1976 to 2013 with respect to population size and growth, age structure, fertility, reproductive health and family planning, health and mortality, spatial distribution and internal migration, and international migration within the context of demographic, social and economic change.

The publication provides a coherent accounting framework of economic flows from one age group or generation to another, typically for a national population in a given calendar year. This manual presents the concepts, methods and estimation procedures to measure these flows over the life-cycle. The NTA estimates are useful to understand and analyse the implications of changing age structures for the fiscal sustainability of social programs, the accumulation of physical and human capital, economic growth, and familial support for children, youth and older persons. Read more

The current world population of 7.2 billion is projected to increase by 1 billion over the next 12 years and reach 9.6 billion by 2050, according to a United Nations report launched today, which points out that growth will be mainly in developing countries, with more than half in Africa. Read more