Sanitation facilities coverage in rural areas, World, 2000 to 2015

Number of people in rural 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), ventilated
improved pit (VIP) latrine, pit latrine with slab, or composting toilet.