World Toilet Organization (WTO) is a non-profit organization dedicated to the world toilet culture and public health problems. It was founded in 2001 by the Republic of Singapore restroom Association, Japan Toilet Association, Republic of Korea Clean Toilet Association and China Taiwan Toilet Association. Its headquarters is in Singapore. At present, the organization has 47 international members from 17 countries and regions, and regularly holds the annual World Toilet Summit.
besoo