| # | Pays | Personnes sans accès à l'eau potable | Part de la population |
|---|---|---|---|
| 1 | Inde | 78,353,445 | 5.9% |
| 2 | Chine | 62,826,038 | 4.5% |
| 3 | Nigéria | 60,061,642 | 31.5% |
| 4 | Éthiopie | 44,361,653 | 42.7% |
| 5 | RD Congo | 38,572,913 | 47.6% |
| 6 | Indonésie | 32,986,705 | 12.6% |
| 7 | Tanzanie | 23,097,307 | 44.4% |
| 8 | Bangladesh | 20,879,196 | 13.1% |
| 9 | Pakistan | 18,687,016 | 8.6% |
| 10 | Soudan | 17,810,872 | 44.5% |
| 11 | Kenya | 17,328,578 | 36.8% |
| 12 | Afghanistan | 15,126,182 | 44.7% |
| 13 | Angola | 14,360,477 | 51% |
| 14 | Mozambique | 12,981,763 | 48.9% |
| 15 | Madagascar | 12,331,950 | 48.5% |
| 16 | Myanmar | 9,916,386 | 19.4% |
| 17 | Philippines | 8,635,665 | 8.2% |
| 18 | Niger | 8,334,710 | 41.8% |
| 19 | Ouganda | 7,881,604 | 21% |
| 20 | Tchad | 7,206,630 | 49.2% |
| 21 | Algérie | 6,563,203 | 16.4% |
| 22 | Zambie | 5,674,085 | 34.6% |
| 23 | Cameroun | 5,556,549 | 24.4% |
| 24 | Papouasie-Nouvelle-Guinée | 5,245,948 | 60% |
| 25 | Maroc | 5,052,708 | 14.6% |
| 26 | Irak | 5,033,112 | 13.4% |
| 27 | Mexique | 4,721,820 | 3.9% |
| 28 | Soudan du Sud | 4,587,423 | 41.3% |
| 29 | Côte d'Ivoire | 4,569,588 | 18.1% |
| 30 | Russie | 4,504,536 | 3.1% |
| 31 | Haïti | 4,451,331 | 42.3% |
| 32 | Mali | 4,276,395 | 23% |
| 33 | Pérou | 4,050,861 | 13.3% |
| 34 | Colombie | 4,039,415 | 8.6% |
| 35 | Afrique du Sud | 3,857,201 | 6.8% |
| 36 | Brésil | 3,831,835 | 1.9% |
| 37 | Cambodge | 3,827,696 | 24.5% |
| 38 | Zimbabwe | 3,326,172 | 23.1% |
| 39 | Burkina Faso | 3,323,615 | 17.7% |
| 40 | Ghana | 3,242,656 | 11.3% |
| 41 | Iran | 3,139,536 | 3.8% |
| 42 | Sénégal | 3,137,566 | 21.5% |
| 43 | Togo | 2,827,719 | 36.9% |
| 44 | Rwanda | 2,783,129 | 23.9% |
| 45 | Guinée | 2,729,960 | 23.2% |
| 46 | Burundi | 2,662,467 | 24.1% |
| 47 | Sierra Leone | 2,632,083 | 37.4% |
| 48 | États-Unis | 2,609,012 | 0.8% |
| 49 | Bénin | 2,510,711 | 22.1% |
| 50 | Népal | 2,337,185 | 8.4% |
| 51 | Tadjikistan | 2,264,686 | 26.2% |
| 52 | Viêt Nam | 2,227,758 | 2.4% |
| 53 | Équateur | 2,130,875 | 13.1% |
| 54 | Venezuela | 2,109,604 | 6.9% |
| 55 | Syrie | 1,923,037 | 9.9% |
| 56 | État de Palestine | 1,880,971 | 41.6% |
| 57 | Ukraine | 1,739,826 | 3.8% |
| 58 | Malawi | 1,674,388 | 9.8% |
| 59 | Mauritanie | 1,669,669 | 42.1% |
| 60 | Laos | 1,652,800 | 24.3% |
| 61 | République dominicaine | 1,596,529 | 15.3% |
| 62 | Thaïlande | 1,551,897 | 2.2% |
| 63 | République centrafricaine | 1,458,236 | 31.5% |
| 64 | Érythrée | 1,310,540 | 42.2% |
| 65 | Kazakhstan | 1,283,976 | 7.1% |
| 66 | Azerbaïdjan | 1,267,871 | 13% |
| 67 | Congo | 1,197,932 | 23.5% |
| 68 | Guatemala | 1,149,965 | 7.2% |
| 69 | Libéria | 1,137,367 | 24.4% |
| 70 | Bolivie | 1,101,470 | 10% |
| 71 | Mongolie | 1,059,643 | 35.6% |
| 72 | Sri Lanka | 956,119 | 4.4% |
| 73 | Arabie saoudite | 899,248 | 3% |
| 74 | Honduras | 812,883 | 8.8% |
| 75 | Nicaragua | 799,424 | 13% |
| 76 | Guinée équatoriale | 757,494 | 52.1% |
| 77 | Pologne | 650,527 | 1.7% |
| 78 | Kirghizistan | 600,188 | 10% |
| 79 | Égypte | 597,584 | 0.6% |
| 80 | Cuba | 575,028 | 5.1% |
| 81 | Malaisie | 562,190 | 1.8% |
| 82 | Argentine | 391,293 | 0.9% |
| 83 | El Salvador | 383,388 | 6.2% |
| 84 | Lesotho | 383,250 | 18.2% |
| 85 | Moldavie | 381,311 | 11.6% |
| 86 | Guinée-Bissau | 369,975 | 20.7% |
| 87 | Timor-Leste | 338,642 | 28.1% |
| 88 | Eswatini | 295,989 | 25.9% |
| 89 | Jordanie | 295,887 | 3.1% |
| 90 | Oman | 276,203 | 6.6% |
| 91 | Tunisie | 262,252 | 2.3% |
| 92 | Gambie | 218,004 | 9.8% |
| 93 | Namibie | 213,687 | 9% |
| 94 | Panama | 209,882 | 5.3% |
| 95 | Chili | 180,476 | 1% |
| 96 | Jamaïque | 173,757 | 6.2% |
| 97 | Albanie | 142,033 | 4.9% |
| 98 | Gabon | 138,787 | 6.8% |
| 99 | Paraguay | 123,182 | 2% |
| 100 | Îles Salomon | 122,832 | 19.2% |
| 101 | Costa Rica | 105,997 | 2.2% |
| 102 | Djibouti | 102,031 | 10% |
| 103 | Lituanie | 98,796 | 3.4% |
| 104 | Irlande | 98,752 | 2.1% |
| 105 | Botswana | 83,724 | 3.8% |
| 106 | Corée du Nord | 76,726 | 0.3% |
| 107 | Comores | 71,942 | 9.9% |
| 108 | Canada | 71,924 | 0.2% |
| 109 | Trinité-et-Tobago | 70,030 | 4.9% |
| 110 | Liban | 64,725 | 1% |
| 111 | Serbie | 57,418 | 0.8% |
| 112 | Bulgarie | 43,065 | 0.6% |
| 113 | Cabo Verde | 42,529 | 8.3% |
| 114 | Fidji | 39,499 | 4.3% |
| 115 | Kiribati | 38,666 | 33.1% |
| 116 | Koweït | 38,345 | 1% |
| 117 | Émirats arabes unis | 34,699 | 0.4% |
| 118 | Suriname | 30,245 | 5.2% |
| 119 | Biélorussie | 28,462 | 0.3% |
| 120 | Croatie | 16,735 | 0.4% |
| 121 | Vanuatu | 14,636 | 5.5% |
| 122 | Lettonie | 13,845 | 0.7% |
| 123 | Guyana | 12,899 | 1.7% |
| 124 | Micronésie | 11,959 | 11% |
| 125 | Macédoine du Nord | 11,882 | 0.6% |
| 126 | Slovénie | 10,300 | 0.5% |
| 127 | Uruguay | 10,104 | 0.3% |
| 128 | Sainte-Lucie | 6,471 | 3.7% |
| 129 | Bahamas | 6,166 | 1.6% |
| 130 | Maldives | 5,994 | 1.4% |
| 131 | Sao Tomé-et-Principe | 5,808 | 2.9% |
| 132 | Estonie | 5,258 | 0.4% |
| 133 | Saint-Vincent-et-les-Grenadines | 5,241 | 4.9% |
| 134 | Seychelles | 4,611 | 4.3% |
| 135 | Grenade | 3,899 | 3.4% |
| 136 | Bosnie-Herzégovine | 3,519 | 0.1% |
| 137 | Îles Marshall | 2,635 | 5.4% |
| 138 | Samoa | 2,018 | 1% |
| 139 | Monténégro | 1,884 | 0.3% |
| 140 | Antigua-et-Barbuda | 1,878 | 2.1% |
| 141 | Belize | 1,782 | 0.5% |
| 142 | Maurice | 1,292 | 0.1% |
| 143 | Barbade | 837 | 0.3% |
| 144 | Saint-Kitts-et-Nevis | 800 | 1.7% |
| 145 | Tonga | 424 | 0.4% |
| 146 | Nauru | 383 | 3.5% |
| 147 | Tuvalu | 252 | 2.3% |
| 148 | Niue | 27 | 1.5% |
| 149 | Îles Cook | 17 | 0.1% |