Iran vs Nigeria: Safe drinking water
Safe drinking water in 2022: 94.2% in Iran and 29% in Nigeria, by WHO/UNICEF estimates. In 2022 the value was higher in Iran, by 65.2 percentage points, or 3.25 times that in Nigeria.
IranNigeria
Watch it change on the mapLatest figures
% of people · WHO/UNICEF
| Country | Latest | 10 years before | Rank in 2022 |
|---|---|---|---|
| Iran | 94.2 2022 | 92.7 | 51 of 135 |
| Nigeria | 29 2022 | 23.2 | 117 of 135 |
| World | 72.9 2022 | 67.1 |
What the numbers say
- Iran has been higher in every year both have figures for since 2000.
- In 2022, Iran ranked 51 and Nigeria ranked 117 of 135 countries, counting from the highest.
- The world as a whole: 72.9% in 2022.
Every year
% of people · WHO/UNICEF
| Year | Iran | Nigeria | World |
|---|---|---|---|
| 2022 | 94.2 | 29 | 72.9 |
| 2021 | 94.1 | 28.4 | 72.5 |
| 2020 | 94 | 27.9 | 72.3 |
| 2019 | 93.8 | 27.3 | 71.7 |
| 2018 | 93.7 | 26.7 | 71 |
| 2017 | 93.5 | 26.1 | 70.4 |
| 2016 | 93.4 | 25.6 | 69.7 |
| 2015 | 93.2 | 25 | 69.1 |
| 2014 | 93.1 | 24.4 | 68.4 |
| 2013 | 92.9 | 23.8 | 67.7 |
| 2012 | 92.7 | 23.2 | 67.1 |
| 2011 | 92.6 | 22.2 | 66.4 |
| 2010 | 92.4 | 21.2 | 65.9 |
| 2009 | 92.2 | 20.2 | 65.4 |
| 2008 | 92 | 19.2 | 64.9 |
| 2007 | 91.8 | 18.2 | 64.6 |
| 2006 | 91.6 | 17.3 | 64 |
| 2005 | 91.4 | 16.4 | 63.7 |
| 2004 | 91.2 | 15.5 | 63 |
| 2003 | 91 | 14.6 | 62.4 |
| 2002 | 90.8 | 13.8 | 61.8 |
| 2001 | 90.6 | 13 | 61.1 |
| 2000 | 90.3 | 12.6 | 60.8 |
Each country on its own
Good to know
- The share of people whose drinking water comes from an improved source at home, there when needed and free of contamination.
- Source: WHO/UNICEF Joint Monitoring Programme, via Our World in Data.
- Ranks count the 135 countries with a value in 2022, highest first.
- The faint line is the world as a whole, as the same source counts it.
How the layers work, where their data comes from and what they can’t tell you: Countries through time