More than 775 million people in developing countries cannot read or write.
The poorest are rarely involved in decisions that affect their everyday lives. Often discriminated against because of where they live, the language and religion. Or they are simply ignored because they are old, disabled or female.
Around 315,000 children under the age of 5 die every year from diarrhoeal diseases caused by dirty water and poor sanitation. That's almost 900 children per day.
Across the world, women are forced to waste precious time walking long distances to collect dirty water. Girls are dropping out of school because there are no private toilets.
663 million people live without safe water. 2.4 billion don't have access to adequate sanitation.
The poorest are often left out when it comes to improving water and sanitation services.