  
<prompt> Water and Sanitation | Percent of households | (Improved source of drinking water, Urban Mainland, 89) (Improved sanitation facility, Urban Mainland, 26) (Improved source of drinking water, Rural Mainland, 47) (Improved sanitation facility, Rural Mainland, 7) (Improved source of drinking water, Zanzibar, 97) (Improved sanitation facility, Zanzibar, 60) (Improved source of drinking water, Total, 59) (Improved sanitation facility, Total, 13) <response> Zanzibar is the only Zanzibar Town that has an improved source of drinking water (97%), while only 47% of rural Mainland households have access to an improved source of drinking water.  