Classification of the source of drinking water and toilet facilities under the WHO/UNICEF Joint Monitoring Programme and cooking fuel
| Service | Improved/clean | Unimproved/unclean |
| Drinking water sources | Piped water, boreholes or tube wells, protected dug wells, protected springs, rainwater, and packaged or delivered water | Unprotected dug well, unprotected spring, river, dam, lake, pond, stream, canal and irrigation canal |
| Type of toilet facilities | Flush/pour flush to piped sewer systems, septic tanks or pit latrines, ventilated improved pit latrines, composting toilets or pit latrines with slabs | Pit latrines without a slab or platform, hanging latrines or bucket latrines and open defecation |
| Cooking fuel type | Electricity, liquid petroleum gas, natural gas and biogas | Kerosene, coal/lignite, charcoal, wood, straw/shrubs/grass and animal dung |