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Scenario description

Additional population that gains access to improved services in order to achieve selected target coverage (either universal or HG) is covered by:

 

Scenario: Pragmatic scenario Base scenario High end scenario
Water Urban stand posts 2015 distribution across modalities is preserved Piped water: if 2015 coverage< 20%, 2025 coverage increases to 30%; if 20% <=2015 coverage< 40%, 2025 coverage increases to 50%; if 40% <=2015 coverage< 70%, 2025 coverage increases to 70%; if 40% <=2015 coverage< 70%, and selected target coverage< 70%, 2025 coverage increases to selected target coverage (universal or HG); the remaining additional customers are served by stand posts
Rural safe boreholes If 2025 rural density< 50 people/km^2, 2015 modality distribution is preserved. Otherwise: PIPED WATER: if 2015 coverage< 10%, 2025 coverage increases to 10%; if 10% <=2015 coverage< 20%, 2025 coverage increases to 20%; otherwise 2025 coverage is the same as in 2015; STAND POSTS: if 2015 coverage< 10%, 2025 coverage increases to 20%; if 10% <=2015 coverage< 30%, 2025 coverage increases to 30%; if 2015 coverage>= 30%, 2025 coverage increases to 60%; the remaining additional customers are served by boreholes
Sanitation Urban VIP latrines At least 5% of sewer coverage in all countries. In  addition: in LIC countries, septic tanks coverage same as 2015.  All the remaining additional customers served by VIP; in non-LIC countries VIP latrines coverage same as 2015, remaining additional customers all to be covered by septic tanks
Rural traditional latrines  In all countries: sewer coverage same as in 2015; septic tanks coverage to be increased to 5% if currently < 5%, otherwise same as in 2015; VIP latrine coverage to be increased to 30% if currently < 30%, otherwise same as in 2015; all the remaining additional customers to be served by traditional latrines