Costa Rica vs South Korea: Share of the population using improved water sources
Costa Rica
100.0%
in 2024
South Korea
100.0%
in 2024
Costa Rica rank
1st
South Korea rank
1st
Share of the population using improved water sources over time
- Costa Rica
- South Korea
How they compare
Costa Rica currently reports 100.0% against 100.0% in South Korea, a difference of 0.0%.
The two have swapped places 2 times across 23 shared years of data; in 2002 it was South Korea ahead.
Costa Rica ranks 1st and South Korea ranks 1st of 231 countries.
Across the 3 decades both report, Costa Rica averaged higher in 1 and South Korea in 2.
Head to head by decade
| Decade | Costa Rica | South Korea | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 96.9% | 98.8% | 1.9% | South Korea |
| 2010s | 99.2% | 99.4% | 0.1% | South Korea |
| 2020s | 100.0% | 99.9% | 0.1% | Costa Rica |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of the population using improved water sources, Costa Rica or South Korea?
- Costa Rica, at 100.0% against 100.0% in South Korea as of 2024.
- What is the difference in share of the population using improved water sources between Costa Rica and South Korea?
- 0.0%, with Costa Rica ahead.
- How many years of comparable data are there for Costa Rica and South Korea?
- 23 years are reported by both, from 2002 to 2024.
- How do Costa Rica and South Korea rank globally for share of the population using improved water sources?
- Costa Rica ranks 1st and South Korea 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.