World Toilet Day, observed every year on 19 November, exists because one Singaporean entrepreneur refused to let the world stay embarrassed about toilets. In 2026 it falls on a Thursday, and the story behind it is more interesting than the date. 

In Episode 241 of The Mohua Show, Mohua Chinappa speaks with Jack Sim about his toilet revolution and the stigma he set out to flush away. Here is the background every listener should have. 

What is World Toilet Day and why does it matter? 

World Toilet Day is a UN observance that draws attention to the global sanitation crisis and supports Sustainable Development Goal 6, clean water and sanitation for all. UN-Water convenes it each year and picks the annual theme. 

The scale is the reason it matters. UN-Water has cited 3.6 billion people living without safely managed sanitation. Check the latest figure on the UN-Water site before publishing, as it is updated periodically. 

Who started World Toilet Day? The story of Jack Sim 

Jack Sim founded the World Toilet Organization on 19 November 2001 in Singapore, and that date became World Toilet Day. According to a biography published by the Centre for Science and Environment, he built a business career before stepping away around the age of 40 to work on social causes. 

His approach was deliberately unserious about a serious subject. He earned the nickname “Mr Toilet” by using humour to break the silence around toilets. In 2013, working with Singapore’s foreign ministry, he helped table the “Sanitation for All” resolution at the UN General Assembly, backed by more than 120 countries, which made World Toilet Day an official UN day. 

World Toilet Day is a stigma problem, not just an infrastructure problem 

Building toilets is the visible part of sanitation. The harder part is getting people to talk about it, use facilities consistently, and maintain them. Sim chose the name “World Toilet Day” instead of “World Sanitation Day” because it was easier to communicate, even though toilets are only the first stage of a sanitation system that also includes wastewater treatment and handwashing. 

That is the idea at the heart of Episode 241: when a subject is taboo, funding, policy and behaviour all lag behind. Add a specific guest takeaway and timestamp from the episode here. 

World Toilet Day in India: build, use, maintain 

India’s Swachh Bharat Mission, launched in 2014, put toilet construction on the national agenda at scale. Sanitation is also closely tied to public health, to girls’ school attendance and to women’s safety and dignity. Add current figures from the official Swachh Bharat dashboard and the latest WHO/UNICEF JMP data before publishing. 

What World Toilet Day 2026 asks of us 

UN-Water announces each year’s theme close to the date, so confirm it on the official UN World Toilet Day page and update this section. In the meantime, practical actions are: 

• Talk about sanitation openly with family, at work and in classrooms. 

• Support organisations working on toilets and safe waste management. 

• Hold local bodies to account for maintenance of public and school toilets. 

• Share Jack Sim’s story to normalise the conversation. 

FAQ 

What is World Toilet Day?

An annual UN observance on 19 November that highlights the global sanitation crisis. 

Who started World Toilet Day?

Jack Sim, founder of the World Toilet Organization, in 2001. The UN made it official in 2013. 

Why is World Toilet Day celebrated on 19 November?

Because the World Toilet Organization was founded on that date in 2001. 

When is World Toilet Day 2026?

Thursday, 19 November 2026. 

Listen to the full conversation 

Hear Jack Sim’s Toilet Revolution: Flushing Stigma, Building Impact (Episode 241) on Spotify, Apple Podcasts or YouTube. 

Sources: World Toilet Day background (Wikipedia and UN observance pages); Commonwealth Points of Light profile of Jack Sim; Centre for Science and Environment event biography; Global Citizen interview. 

Verify before publishing: the 2026 official theme (one site I found named a theme, but I could not confirm it on UN-Water, so I left it out); the latest UN-Water sanitation figure; Swachh Bharat figures.