1.Look for more facts in our collection of Water Resource Links.Estimated with data from Diarhhoea: Why children are still dying and what can be done. UNICEF, WHO 2009
2. Estimated with data from WHO/UNICEF Joint Monitoring Programme (JMP) for Water Supply and Sanitation. (2012).Progress on Sanitation and Drinking-Water, 2012 Update.
3. World Health Organization (WHO). (2008). Safer Water, Better Health: Costs, benefits, and sustainability of interventions to protect and promote health; Updated Table 1: WSH deaths by region, 2004.
4. International Telecommunication Union (ITU). (2011). The World in 2011 ICT Facts and Figures
5. United Nations Population Fund (UNFPA). (2011). State of World Population 2011, People and possibilities in a world of 7 billion
6. UN Water. (2008). Tackling a global crisis: International Year of Sanitation 2008
7. United Nations Development Programme (UNDP). (2006). Human Development Report 2006, Beyond Scarcity: Power, poverty and the global water crisis
8. Map data sourced from "Progress on Sanitation and Drinking-Water, 2010 Update." WHO/UNICEF Joint Monitoring Programme for Water Supply and Sanitation.