sanitation raises issues regarding governmental rights to control and responsibilities for securing that water and sanitation. The United Nations Development Programme has stated that broad recognition of the significance of accessing dependable and clean water and sanitation services will promote wide expansion of the achievement of a healthy and fulfilling life. A revised UN resolution in 2015 highlighted that the two rights were separate but equal. The HRWS obliges governments to ensure that people can enjoy quality, available, acceptable, accessible, and affordable water and sanitation. Affordability of water considers the extent to which the cost of water becomes inhibitive such that it requires one to sacrifice access to other essential goods and services. Generally, a rule of thumb for the affordability of water is that it should not surpass 3–5% of households' income. Accessibility of water considers the time taken, convenience in reaching the source and risks involved while getting to the source of water. Water must be accessible to every citizen, meaning that water should not be further than 1,000 meters or 3,280 feet and must be within 30 minutes. Availability of water considers whether the supply of water is available in adequate amounts, reliable and sustainable. Quality of water considers whether water is safe for consumption, including for drinking or other activities. For acceptability of water, it must not have any odor and should not consist of any color. The ICESCR requires signatory countries to progressively achieve and respect all human rights, including those of water and sanitation. They should work quickly and efficiently to increase access and improve service. International context The WHO/UNICEF Joint Monitoring Programme for Water Supply and Sanitation reported that 663 million people did not have access to improved sources of drinking water and more than 2.4 billion people lacked access to basic sanitation services in 2015. Access to clean water is a major problem for many parts of the world. Acceptable sources include "household connections, public standpipes, boreholes, protected dug wells, protected springs and rainwater collections." Although 9 percent of the global population lacks access to water, there are "regions particularly delayed, such as Sub-Saharan Africa". The UN further emphasizes that "about 1.5 million children under the age of five die each year and 443 million school days are lost because of water- and sanitation-related diseases." Legal foundations and recognition The International Covenant on Economic, Social and Cultural Rights (ICESCR) of 1966 codified