Thought Leadership

WTO’s 20th Anniversary:
Digital Book



Latest Annual Report



We Can’t-Wait. A Report on sanitation and hygiene for women and girls.



Tackling a global crisis: International Year of Sanitation 2008



State of the World’s Sanitation



Progression on Sanitation & Drinking-Water | 2013 Update



Global Costs and Benefits of Reaching Universal Coverage of Sanitation and Drinking-Water Supply



The Sustainable Development Report Goals 2021



Transforming Students’ Learning of Statistics with Rosie Ching
through Original Toilet Cleanliness Index (TCI)



Compendium of Sanitation Systems and Technologies