Sanitation facilities coverage in urban areas, World

Number of people in urban areas with access to different sanitation facilities. 'At least basic' are improved sanitation facilities not shared with other households; 'limited'are improved facilities shared with other households; 'unimproved' are facilities without a flush/pour flush (to piped sewer system, septic tank, pit latrine), ventilatedimproved pit (VIP) latrine, pit latrine with slab, or composting toilet.