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| Rank | Country | Value | Date of Info | |
| 1 | Afghanistan | 100% | 2023 | |
| 1 | Andorra | 100% | 2023 | |
| 1 | Armenia | 100% | 2023 | |
| 1 | Australia | 100% | 2023 | |
| 1 | Austria | 100% | 2023 | |
| 1 | Azerbaijan | 100% | 2023 | |
| 1 | Belarus | 100% | 2023 | |
| 1 | Belgium | 100% | 2023 | |
| 1 | Belize | 100% | 2023 | |
| 1 | Cabo Verde | 100% | 2023 | |
| 1 | Chile | 100% | 2023 | |
| 1 | Colombia | 100% | 2023 | |
| 1 | Costa Rica | 100% | 2023 | |
| 1 | Curacao | 100% | 2023 | |
| 1 | Denmark | 100% | 2023 | |
| 1 | Ecuador | 100% | 2023 | |
| 1 | Estonia | 100% | 2023 | |
| 1 | Falkland Islands (Islas Malvinas) | 100% | 2023 | |
| 1 | Finland | 100% | 2023 | |
| 1 | France | 100% | 2023 | |
| 1 | Germany | 100% | 2023 | |
| 1 | Gibraltar | 100% | 2023 | |
| 1 | Greece | 100% | 2023 | |
| 1 | Greenland | 100% | 2023 | |
| 1 | Guyana | 100% | 2023 | |
| 1 | Holy See (Vatican City) | 100% | 2023 | |
| 1 | Honduras | 100% | 2023 | |
| 1 | Hong Kong | 100% | 2023 | |
| 1 | Hungary | 100% | 2023 | |
| 1 | Iceland | 100% | 2023 | |
| 1 | Iraq | 100% | 2023 | |
| 1 | Israel | 100% | 2023 | |
| 1 | Kazakhstan | 100% | 2023 | |
| 1 | Kyrgyzstan | 100% | 2023 | |
| 1 | Lithuania | 100% | 2023 | |
| 1 | Luxembourg | 100% | 2023 | |
| 1 | Macau | 100% | 2023 | |
| 1 | Malta | 100% | 2023 | |
| 1 | Marshall Islands | 100% | 2023 | |
| 1 | Mexico | 100% | 2023 | |
| 1 | Monaco | 100% | 2023 | |
| 1 | Montenegro | 100% | 2023 | |
| 1 | Nauru | 100% | 2023 | |
| 1 | Netherlands | 100% | 2023 | |
| 1 | New Zealand | 100% | 2023 | |
| 1 | Norway | 100% | 2023 | |
| 1 | Oman | 100% | 2023 | |
| 1 | Panama | 100% | 2023 | |
| 1 | Paraguay | 100% | 2023 | |
| 1 | Portugal | 100% | 2023 | |
| 1 | Romania | 100% | 2023 | |
| 1 | Saint Barthelemy | 100% | 2023 | |
| 1 | Saint Martin | 100% | 2023 | |
| 1 | Samoa | 100% | 2023 | |
| 1 | Sao Tome and Principe | 100% | 2023 | |
| 1 | Singapore | 100% | 2023 | |
| 1 | Slovakia | 100% | 2023 | |
| 1 | Switzerland | 100% | 2023 | |
| 1 | Thailand | 100% | 2023 | |
| 1 | Tunisia | 100% | 2023 | |
| 1 | Turkmenistan | 100% | 2023 | |
| 1 | Tuvalu | 100% | 2023 | |
| 1 | United Kingdom | 100% | 2023 | |
| 1 | Uruguay | 100% | 2023 | |
| 1 | Vanuatu | 100% | 2023 | |
| 2 | Bermuda | 99.9% | 2023 | |
| 2 | Bosnia and Herzegovina | 99.9% | 2023 | |
| 2 | British Virgin Islands | 99.9% | 2023 | |
| 2 | Czechia | 99.9% | 2023 | |
| 2 | Latvia | 99.9% | 2023 | |
| 2 | Mali | 99.9% | 2023 | |
| 2 | Mauritius | 99.9% | 2023 | |
| 2 | Poland | 99.9% | 2023 | |
| 2 | Spain | 99.9% | 2023 | |
| 2 | United States | 99.9% | 2023 | |
| 3 | Argentina | 99.8% | 2023 | |
| 3 | Brazil | 99.8% | 2023 | |
| 3 | Iran | 99.8% | 2023 | |
| 3 | Sweden | 99.8% | 2023 | |
| 3 | Tonga | 99.8% | 2023 | |
| 4 | Brunei | 99.7% | 2023 | |
| 4 | Cyprus | 99.7% | 2023 | |
| 4 | Djibouti | 99.7% | 2023 | |
| 4 | Egypt | 99.7% | 2023 | |
| 4 | North Macedonia | 99.7% | 2023 | |
| 4 | Serbia | 99.7% | 2023 | |
| 4 | South Africa | 99.7% | 2023 | |
| 4 | Sri Lanka | 99.7% | 2023 | |
| 5 | Algeria | 99.6% | 2023 | |
| 5 | El Salvador | 99.6% | 2023 | |
| 5 | Palau | 99.6% | 2023 | |
| 5 | Syria | 99.6% | 2023 | |
| 5 | Uzbekistan | 99.6% | 2023 | |
| 6 | Bhutan | 99.5% | 2023 | |
| 6 | Bulgaria | 99.5% | 2023 | |
| 6 | Guinea | 99.5% | 2023 | |
| 6 | Suriname | 99.5% | 2023 | |
| 7 | Georgia | 99.4% | 2023 | |
| 7 | Malaysia | 99.4% | 2023 | |
| 7 | Saint Lucia | 99.4% | 2023 | |
| 7 | Ukraine | 99.4% | 2023 | |
| 8 | Cambodia | 99.3% | 2023 | |
| 8 | Canada | 99.3% | 2023 | |
| 9 | Bolivia | 99.2% | 2023 | |
| 9 | Jordan | 99.2% | 2023 | |
| 9 | Vietnam | 99.2% | 2023 | |
| 10 | Philippines | 99.1% | 2023 | |
| 10 | Russia | 99.1% | 2023 | |
| 10 | Turkey (Turkiye) | 99.1% | 2023 | |
| 11 | Bangladesh | 99% | 2023 | |
| 11 | Maldives | 99% | 2023 | |
| 11 | Sudan | 99% | 2023 | |
| 12 | Bahamas The | 98.9% | 2023 | |
| 12 | Cuba | 98.9% | 2023 | |
| 12 | Gaza Strip | 98.9% | 2023 | |
| 12 | Moldova | 98.9% | 2023 | |
| 12 | Namibia | 98.9% | 2023 | |
| 12 | West Bank | 98.9% | 2023 | |
| 13 | Burundi | 98.7% | 2023 | |
| 13 | Ghana | 98.7% | 2023 | |
| 13 | Mauritania | 98.7% | 2023 | |
| 14 | Ethiopia | 98.5% | 2023 | |
| 14 | Yemen | 98.5% | 2023 | |
| 15 | Mongolia | 98.4% | 2023 | |
| 16 | Dominican Republic | 98.3% | 2023 | |
| 16 | Jamaica | 98.3% | 2023 | |
| 16 | Morocco | 98.3% | 2023 | |
| 16 | Saint Kitts and Nevis | 98.3% | 2023 | |
| 17 | Fiji | 98.2% | 2023 | |
| 17 | Indonesia | 98.2% | 2023 | |
| 18 | Aruba | 98.1% | 2023 | |
| 18 | Botswana | 98.1% | 2023 | |
| 19 | Timor-Leste | 98% | 2023 | |
| 20 | Guatemala | 97.9% | 2023 | |
| 21 | Korea North | 97.8% | 2023 | |
| 22 | Anguilla | 97.5% | 2023 | |
| 22 | Congo Republic of the | 97.5% | 2023 | |
| 22 | Eswatini | 97.5% | 2023 | |
| 22 | Nicaragua | 97.5% | 2023 | |
| 23 | Cayman Islands | 97.4% | 2023 | |
| 23 | Comoros | 97.4% | 2023 | |
| 24 | Albania | 97.3% | 2023 | |
| 24 | China | 97.3% | 2023 | |
| 25 | Gabon | 97.2% | 2023 | |
| 25 | Kiribati | 97.2% | 2023 | |
| 25 | Peru | 97.2% | 2023 | |
| 26 | Laos | 97.1% | 2023 | |
| 27 | Ireland | 97% | 2023 | |
| 28 | India | 96.9% | 2023 | |
| 29 | Grenada | 96.8% | 2023 | |
| 30 | Malawi | 96.7% | 2023 | |
| 31 | Pakistan | 96.5% | 2023 | |
| 31 | Tajikistan | 96.5% | 2023 | |
| 31 | World | 96.5% | 2023 | |
| 32 | Somalia | 96.4% | 2023 | |
| 33 | Liberia | 96.2% | 2023 | |
| 34 | Senegal | 95.9% | 2023 | |
| 35 | Niger | 95.8% | 2023 | |
| 36 | Dominica | 95.7% | 2023 | |
| 36 | Lesotho | 95.7% | 2023 | |
| 37 | Burma | 95.4% | 2023 | |
| 38 | Nigeria | 95.3% | 2023 | |
| 39 | Cameroon | 95.1% | 2023 | |
| 39 | Saint Vincent and the Grenadines | 95.1% | 2023 | |
| 39 | Sint Maarten | 95.1% | 2023 | |
| 39 | Tanzania | 95.1% | 2023 | |
| 40 | Solomon Islands | 95% | 2023 | |
| 41 | Burkina Faso | 94.7% | 2023 | |
| 42 | Turks and Caicos Islands | 94.3% | 2023 | |
| 43 | Guernsey | 94.2% | 2023 | |
| 43 | Jersey | 94.2% | 2023 | |
| 44 | Togo | 93.8% | 2023 | |
| 45 | Mozambique | 93.4% | 2023 | |
| 46 | Nepal | 92.7% | 2023 | |
| 47 | Sierra Leone | 92.5% | 2023 | |
| 47 | Uganda | 92.5% | 2023 | |
| 48 | Rwanda | 92.3% | 2023 | |
| 49 | Haiti | 91.9% | 2023 | |
| 50 | Gambia The | 91.8% | 2023 | |
| 51 | Kenya | 91.3% | 2023 | |
| 52 | Guinea-Bissau | 90.6% | 2023 | |
| 53 | Chad | 90.2% | 2023 | |
| 53 | Zambia | 90.2% | 2023 | |
| 54 | Cote d'Ivoire | 89.9% | 2023 | |
| 55 | Congo Democratic Republic of the | 88.8% | 2023 | |
| 56 | South Sudan | 88.7% | 2023 | |
| 57 | Papua New Guinea | 86.2% | 2023 | |
| 58 | Madagascar | 85% | 2023 | |
| 59 | Central African Republic | 83.9% | 2023 | |
| 60 | Equatorial Guinea | 81.7% | 2023 | |
| 61 | Angola | 81.3% | 2023 | |
| 62 | Benin | 79% | 2023 | |
| 63 | Micronesia Federated States of | 78.6% | 2023 | |
| 64 | Eritrea | 73.2% | 2023 | |
| 65 | Tokelau | 0% | 2023 | |
| 66 | Akrotiri | 0 | 2023 | |
| 66 | American Samoa | 0 | 2023 | |
| 66 | Antarctica | 0 | 2023 | |
| 66 | Antigua and Barbuda | 0 | 2023 | |
| 66 | Ashmore and Cartier Islands | 0 | 2023 | |
| 66 | Bahrain | 0 | 2023 | |
| 66 | Barbados | 0 | 2023 | |
| 66 | Bouvet Island | 0 | 2023 | |
| 66 | British Indian Ocean Territory | 0 | 2023 | |
| 66 | Christmas Island | 0 | 2023 | |
| 66 | Clipperton Island | 0 | 2023 | |
| 66 | Cocos (Keeling) Islands | 0 | 2023 | |
| 66 | Cook Islands | 0 | 2023 | |
| 66 | Coral Sea Islands | 0 | 2023 | |
| 66 | Croatia | 0 | 2023 | |
| 66 | Dhekelia | 0 | 2023 | |
| 66 | European Union | 0 | 2023 | |
| 66 | Faroe Islands | 0 | 2023 | |
| 66 | French Polynesia | 0 | 2023 | |
| 66 | French Southern and Antarctic Lands | 0 | 2023 | |
| 66 | Guam | 0 | 2023 | |
| 66 | Heard Island and McDonald Islands | 0 | 2023 | |
| 66 | Isle of Man | 0 | 2023 | |
| 66 | Italy | 0 | 2023 | |
| 66 | Jan Mayen | 0 | 2023 | |
| 66 | Japan | 0 | 2023 | |
| 66 | Korea South | 0 | 2023 | |
| 66 | Kosovo | 0 | 2023 | |
| 66 | Kuwait | 0 | 2023 | |
| 66 | Lebanon | 0 | 2023 | |
| 66 | Libya | 0 | 2023 | |
| 66 | Liechtenstein | 0 | 2023 | |
| 66 | Montserrat | 0 | 2023 | |
| 66 | Navassa Island | 0 | 2023 | |
| 66 | New Caledonia | 0 | 2023 | |
| 66 | Niue | 0 | 2023 | |
| 66 | Norfolk Island | 0 | 2023 | |
| 66 | Northern Mariana Islands | 0 | 2023 | |
| 66 | Paracel Islands | 0 | 2023 | |
| 66 | Pitcairn Islands | 0 | 2023 | |
| 66 | Puerto Rico | 0 | 2023 | |
| 66 | Qatar | 0 | 2023 | |
| 66 | Saint Helena Ascension and Tristan da Cunha | 0 | 2023 | |
| 66 | Saint Pierre and Miquelon | 0 | 2023 | |
| 66 | San Marino | 0 | 2023 | |
| 66 | Saudi Arabia | 0 | 2023 | |
| 66 | Seychelles | 0 | 2023 | |
| 66 | Slovenia | 0 | 2023 | |
| 66 | South Georgia and South Sandwich Islands | 0 | 2023 | |
| 66 | Spratly Islands | 0 | 2023 | |
| 66 | Svalbard | 0 | 2023 | |
| 66 | Taiwan | 0 | 2023 | |
| 66 | Trinidad and Tobago | 0 | 2023 | |
| 66 | United Arab Emirates | 0 | 2023 | |
| 66 | United States Pacific Island Wildlife Refuges | 0 | 2023 | |
| 66 | Venezuela | 0 | 2023 | |
| 66 | Virgin Islands | 0 | 2023 | |
| 66 | Wake Island | 0 | 2023 | |
| 66 | Wallis and Futuna | 0 | 2023 |
Drinking water source - improved 2023 Country Ranks by Rank
SOURCE: 2023 CIA WORLD FACTBOOK
NOTE: The information regarding Drinking water source - improved on this page is re-published from the CIA World Factbook 2023. No claims are made regarding the accuracy of Drinking water source - improved information contained here. All suggestions for corrections of any errors about Drinking water source - improved should be addressed to the CIA
This page was last modified 07 Nov 23, Copyright © 2023 ITA all rights reserved.