Diarrhoea is the third biggest killer of children under five years old in Sub-Saharan Africa.
(Child Health Epidemiology Reference Group (CHERG) 2012)

More than 650 million people in the world do not have access to safe water.
(WHO/UNICEF Joint Monitoring Programme (JMP) Report 2015)

Around 315,000 children under-five die every day from diarrhoeal diseases caused by dirty water and poor sanitation. That's 900 children per day, or one child every two minutes.
(WHO/UNICEF 2014, 2015)

For every $1 invested in water and sanitation, an average of at least $4 is returned in increased productivity. (Hutton, Global costs and benefits of drinking-water supply and sanitation interventions to reach the MDG target and universal coverage, WHO, Geneva, 2012: page 4)

Hygiene promotion is the most cost effective health intervention according to the World Bank.
(Saving lives, WaterAid, 2012)

In 2014/15 we reached 2 million people with safe water and 3.1 million people with sanitation.
(WaterAid, 2015)

Half the hospital beds in developing countries are filled with people suffering from diseases caused by poor water, sanitation and hygiene.
(UNDP Human Development Report, 2006 http://hdr.undp.org/en/media/HDR06-complete.pdf  page 45)

Hygienic practices such as washing hands with soap can reduce the risk of diarrhoea by 50%
(Curtis and Cairncross, 2003; Luby, et al. 2005)