1. World Population Prospects 2019: Highlights (ST/ESA/SER.A/423)https://population.un.org/wpp/Publications/Files/WPP2019_Highlights.pdf
2. The 2017 Revision of World Population Prospects Is the 25th Round of Official UN Population Estimates and Projections that Have Been Prepared by the Population Division of the United Nations Department of Economic and Social Affairshttps://www.un.org/development/desa/en/news/population/world-population-prospects-2017.html
3. UN General Assembly, Transforming our World: The 2030 Agenda for Sustainable Development, 21 October 2015, A/RES/70/1https://www.refworld.org/docid/57b6e3e44.html
4. The World Population Prospects 2019: Highlights Presents the Main Results of the 26th Round of the UN’s Global Population Estimates and Projectionshttps://www.un.org/development/desa/en/news/population/world-population-prospects-2019.html
5. The State of Food Insecurity in the World 2015,2015