水道水を利用できる都市人口の割合（％） (%)
| 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 |
| アルゼンチン | 94.1 | 95.4 | 96.6 | 96.8 | 97.1 | 97.3 | 97.6 | 97.8 | 98.1 | 98.3 | 98.6 | 98.8 | 99.0 | 99.0 | 99.0 |
| パナマ | 96.1 | 96.7 | 97.4 | 97.5 | 97.7 | 97.8 | 97.9 | 98.0 | 98.2 | 98.3 | 98.4 | 98.6 | 98.7 | 98.8 | 98.8 |
| ベネズエラ（ボリバル共和国） | 89.9 | 90.1 | 90.3 | 90.3 | 90.4 | 90.4 | 90.4 | 90.4 | | | | | | | |
| エルサルバドル | 89.9 | 91.3 | 92.6 | 92.9 | 93.2 | 93.4 | 93.7 | 94.0 | 94.2 | 94.5 | 94.8 | 95.1 | 95.3 | 95.6 | 95.9 |
| キューバ | 82.6 | 83.5 | 84.5 | 84.7 | 84.9 | 85.1 | 85.3 | 85.5 | 85.6 | 85.8 | 86.0 | 86.2 | 86.4 | 86.6 | 86.6 |
| ハイチ | 66.7 | 53.2 | 39.7 | 37.0 | 34.3 | 31.6 | 28.8 | 26.1 | 23.4 | 20.7 | 18.0 | 15.3 | 15.3 | 15.3 | 15.3 |
| メキシコ | 92.1 | 93.7 | 95.2 | 95.6 | 95.9 | 96.2 | 96.5 | 96.8 | 97.2 | 97.5 | 97.8 | 98.1 | 98.4 | 98.8 | 99.0 |
| ウルグアイ | 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 |
| ガイアナ | 80.4 | 81.3 | 82.2 | 82.3 | 82.5 | 82.7 | 82.9 | 83.0 | 83.2 | 83.4 | 83.6 | 83.8 | 83.9 | 84.1 | 84.3 |
| チリ | 98.8 | 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 |
| セントルシア | 96.1 | 96.6 | 97.3 | 97.5 | 97.6 | 97.8 | 97.9 | 98.1 | 98.2 | 98.4 | 98.5 | 98.5 | 98.5 | 98.5 | 98.5 |
| ドミニカ共和国 | 86.7 | 85.9 | 85.1 | 84.9 | 84.8 | 84.6 | 84.5 | 84.3 | 84.1 | 84.0 | 83.8 | 83.7 | 83.5 | 83.4 | 83.2 |
| ベリーズ | 78.4 | 83.4 | 88.4 | 89.4 | 90.4 | 91.4 | 92.4 | 93.4 | 94.4 | 95.4 | 96.4 | 96.4 | 96.4 | 96.4 | 96.4 |
| エクアドル | 83.3 | 87.5 | 91.7 | 92.5 | 93.3 | 94.2 | 95.0 | 95.9 | 96.7 | 97.5 | 98.4 | 99.0 | 99.0 | 99.0 | 99.0 |
| アメリカ合衆国 | 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 |
| パラグアイ | 76.0 | 82.1 | 88.3 | 89.5 | 90.7 | 91.9 | 93.2 | 94.4 | 95.6 | 96.8 | 98.1 | 99.0 | 99.0 | 99.0 | 99.0 |
| グアテマラ | 91.5 | 90.9 | 90.3 | 90.1 | 90.0 | 89.9 | 89.8 | 89.6 | 89.5 | 89.4 | 89.3 | 89.1 | 89.0 | 88.9 | 88.8 |
| ホンジュラス | 93.5 | 94.0 | 94.6 | 94.7 | 94.8 | 94.9 | 95.0 | 95.1 | 95.2 | 95.3 | 95.4 | 95.5 | 95.6 | 95.7 | 95.8 |
| コロンビア | 95.8 | 95.6 | 95.4 | 95.3 | 95.3 | 95.3 | 95.2 | 95.2 | 95.1 | 95.1 | 95.0 | 95.0 | 94.9 | 94.9 | 94.9 |
| コスタリカ | 97.1 | 97.8 | 98.5 | 98.7 | 98.8 | 99.0 | 99.0 | 99.0 | 99.0 | 99.0 | 99.0 | 99.0 | 99.0 | 99.0 | 99.0 |
| スリナム | 85.1 | 86.0 | 86.9 | 87.1 | 87.3 | 87.5 | 87.6 | 87.8 | 88.0 | 88.2 | 88.4 | 88.5 | 88.7 | 88.7 | 88.7 |
| ペルー | 84.2 | 86.7 | 89.2 | 89.7 | 90.2 | 90.7 | 91.2 | 91.7 | 92.2 | 92.7 | 93.2 | 93.7 | 94.2 | 94.7 | 95.2 |
| ブラジル | 94.7 | 96.1 | 97.4 | 97.7 | 98.0 | 98.2 | 98.5 | 98.8 | 99.0 | 99.0 | 99.0 | 99.0 | 99.0 | 99.0 | 99.0 |
| ニカラグア | 90.1 | 91.8 | 93.5 | 93.8 | 94.1 | 94.5 | 94.8 | 95.1 | 95.5 | 95.5 | 95.5 | 95.5 | 95.5 | | |
| ジャマイカ | 95.5 | 94.5 | 93.5 | 93.3 | 93.1 | 92.9 | 92.7 | 92.6 | 92.4 | 92.2 | 92.0 | 91.8 | 91.8 | 91.8 | 91.8 |
| ボリビア | 92.1 | 90.7 | 89.3 | 89.0 | 88.7 | 88.4 | 88.1 | 87.8 | 87.6 | 87.3 | 87.0 | 86.7 | 86.4 | 86.2 | 85.9 |
| カナダ | 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 |
| アンチグアバーブーダ | | | 98.0 | 98.0 | 98.0 | 98.0 | 98.0 | 98.0 | 98.0 | 98.0 | 98.0 | 98.0 | 98.0 | 98.0 | 98.0 |
| セントビンセント・グレナディーン | 95.1 | 96.1 | 97.1 | 97.3 | 97.5 | 97.7 | 97.9 | 97.9 | 97.9 | 97.9 | 97.9 | | | | |