Proportion of total population served with piped water (%)
| 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 |
| Италия | 99,0 | 99,0 | 98,7 | 98,6 | 98,6 | 98,5 | 98,4 | 98,4 | 98,4 | 98,4 | 98,4 | | | | |
| Словения | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | | | | | |
| Новая Зеландия | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 |
| Австралия | 93,1 | 94,1 | 95,7 | 96,0 | 96,3 | 96,7 | 97,0 | 97,3 | 97,3 | 97,3 | 97,3 | 97,3 | | | |
| Япония | 97,2 | 97,3 | 97,5 | 97,6 | 97,7 | 97,7 | 97,8 | 97,8 | 97,9 | 98,0 | 98,0 | 98,1 | 98,1 | 98,2 | 98,2 |
| Бельгия | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 |
| Чехия | 96,4 | 97,6 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 |
| Соединенные Штаты Америки | | 98,6 | 98,7 | 98,7 | 98,7 | 98,7 | 98,7 | 98,7 | 98,7 | 98,7 | 98,7 | 98,8 | 98,8 | 98,8 | |
| Чили | 94,1 | 95,9 | 97,4 | 97,7 | 98,0 | 98,3 | 98,6 | 98,9 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 |
| Швейцария | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 |
| Венгрия | 93,9 | 95,8 | 97,7 | 98,1 | 98,4 | 98,8 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 |
| Мексика | 85,2 | 88,3 | 91,3 | 91,8 | 92,4 | 93,0 | 93,5 | 94,1 | 94,6 | 95,1 | 95,7 | 96,2 | 96,7 | 97,2 | 97,8 |
| Турция | 94,7 | 94,8 | 94,9 | 94,9 | 94,9 | 95,0 | 95,0 | 95,1 | 95,1 | 95,1 | 95,2 | 95,2 | 95,2 | 95,3 | 95,4 |
| Польша | 84,1 | 86,2 | 88,2 | 88,6 | 89,0 | 89,4 | 89,9 | 90,3 | 90,7 | 91,1 | 91,6 | 91,8 | 91,1 | 90,4 | 90,4 |
| Канада | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 |
| Великобритания | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 |
| Норвегия | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 |
| Голландия | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 |
| Исландия | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 |
| Эстония | 87,1 | 90,0 | 92,9 | 93,4 | 94,1 | 94,7 | 95,3 | 95,9 | 96,5 | 97,2 | 97,8 | 98,4 | 98,9 | 99,0 | 99,0 |
| Словакия | 95,0 | 96,2 | 97,8 | 98,1 | 98,5 | 98,5 | 98,5 | 98,5 | 98,5 | 98,5 | 98,5 | | | | |
| Финляндия | 98,9 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 |
| Франция | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 |
| Испания | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 |
| Греция | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 |
| Израиль | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 |
| Ирландия | 97,0 | 96,8 | 96,5 | 96,4 | 96,3 | 96,3 | 96,2 | 96,2 | 96,1 | 96,0 | 96,0 | 96,0 | 96,0 | 96,0 | 96,0 |
| Германия | 99,0 | 98,9 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 |
| Дания | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 |
| Швеция | 86,5 | 86,7 | 87,1 | 87,1 | 87,2 | 87,3 | 87,4 | 87,5 | 87,5 | 87,6 | 87,7 | 87,8 | 87,8 | 87,9 | 87,9 |
| Южная Корея | | 95,5 | 96,5 | 96,8 | 97,0 | 97,3 | 97,5 | 97,8 | 98,0 | 98,3 | 98,5 | 98,8 | 99,0 | 99,0 | 99,0 |
| Португалия | 99,0 | 99,0 | 98,8 | 98,8 | 98,7 | 98,7 | 98,6 | 98,6 | 98,5 | 98,5 | 98,4 | 98,4 | 98,4 | 98,3 | 98,3 |
| Люксембург | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 | 99,0 |