World Population Prospects - The 2010 Revision
«The 2010 Revision of the World Population Prospects is the twenty-second round of global demographic estimates and projections undertaken by the Population Division of the United Nations Department of Economic and Social Affairs of the United Nations Secretariat.
The current world population of close to 7 billion is projected to reach 10.1 billion in the next ninety years, reaching 9.3 billion by the middle of this century, according to the medium variant of the 2010 Revision of World Population Prospects, the official United Nations population projections prepared by the Population Division of the Department of Economic and Social Affairs, which is being launched today. Much of this increase is projected to come from the high-fertility countries, which comprise 39 countries in Africa, nine in Asia, six in Oceania and four in Latin America.»
(UN, 3 May 2011)
