Republic of Korea vs Northern Mariana Islands: Share of the population using improved water sources
Republic of Korea
100.0%
in 2024
Northern Mariana Islands
100.0%
in 2024
Republic of Korea rank
1st
Northern Mariana Islands rank
1st
Share of the population using improved water sources over time
- Republic of Korea
- Northern Mariana Islands
How they compare
Republic of Korea currently reports 100.0% against 100.0% in Northern Mariana Islands, a difference of 0.0%.
The two have swapped places 1 time across 23 shared years of data; in 2002 it was Republic of Korea ahead.
Republic of Korea ranks 1st and Northern Mariana Islands ranks 1st of 231 countries.
Across the 3 decades both report, Republic of Korea averaged higher in 2 and Northern Mariana Islands in 1.
Head to head by decade
| Decade | Republic of Korea | Northern Mariana Islands | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 98.8% | 97.5% | 1.3% | Republic of Korea |
| 2010s | 99.4% | 99.2% | 0.2% | Republic of Korea |
| 2020s | 99.9% | 100.0% | 0.1% | Northern Mariana Islands |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of the population using improved water sources, Republic of Korea or Northern Mariana Islands?
- Republic of Korea, at 100.0% against 100.0% in Northern Mariana Islands as of 2024.
- What is the difference in share of the population using improved water sources between Republic of Korea and Northern Mariana Islands?
- 0.0%, with Republic of Korea ahead.
- How many years of comparable data are there for Republic of Korea and Northern Mariana Islands?
- 23 years are reported by both, from 2002 to 2024.
- How do Republic of Korea and Northern Mariana Islands rank globally for share of the population using improved water sources?
- Republic of Korea ranks 1st and Northern Mariana Islands ranks 1st of 231 countries.
- Where does this data come from?
- WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data, published as Share of the population using improved water sources. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Proportion of people who use an improved drinking water source, regardless of collection time. An improved drinking water source is a safely designed drinking water source and includes e.g. piped water, boreholes or tubewells and packaged or delivered water.