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Access to improved sanitation facilities refers to the percentage of the population with at least adequate access to excreta disposal facilities that can effectively prevent human, animal, and insect contact with excreta. Improved facilities range from simple but protected pit latrines to flush toilets with a sewerage connection. To be effective, facilities must be correctly constructed and properly maintained.
World Development Indicators
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Particulate matter concentrations refer to fine suspended particulates less than 10 microns in diameter (PM10) that are capable of penetrating deep into the respiratory tract and causing significant health damage. Data for countries and aggregates for regions and income groups are urban-population weighted PM10 levels in residential areas of cities with more than 100,000 residents. The estimates represent the average annual exposure level of the average urban resident to outdoor particulate matter. The state of a country's technology and pollution controls is an important determinant of particulate matter concentrations.
World Development Indicators
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Urban population (% of total)
| Arab World | 57% | |
| Caribbean small states | 43% | |
| East Asia & Pacific | 49% | |
| Euro area | 76% | |
| European Union | 74% | |
| Europe & Central Asia | 65% | |
| Latin America & Caribbean | 79% | |
| Least developed countries: UN classification | 29% | |
| Middle East & North Africa | 59% | |
| OECD members | 80% | |
| Other small states | 47% | |
| Pacific island small states | 36% | |
| Small states | 45% | |
| South Asia | 31% | |
| Sub-Saharan Africa | 36% | |
| World | 52% |
Improved sanitation facilities, urban (% of urban population with access)
| Arab World | 88% | |
| Caribbean small states | 85% | |
| East Asia & Pacific | 76% | |
| Euro area | 100% | |
| European Union | 100% | |
| Europe & Central Asia | 87% | |
| Latin America & Caribbean | 84% | |
| Least developed countries: UN classification | 48% | |
| Middle East & North Africa | 94% | |
| OECD members | 98% | |
| Other small states | 61% | |
| Pacific island small states | 86% | |
| Small states | 69% | |
| South Asia | 60% | |
| Sub-Saharan Africa | 42% | |
| World | 79% |
