Puerto Rico vs Sierra Leone: Share of marine territorial waters that are protected
Puerto Rico
2.1%
in 2025
Sierra Leone
1.7%
in 2025
Puerto Rico rank
88th
Sierra Leone rank
91st
Share of marine territorial waters that are protected over time
- Puerto Rico
- Sierra Leone
How they compare
Puerto Rico currently reports 2.1% against 1.7% in Sierra Leone, a difference of 0.4%.
That makes Puerto Rico's figure about 1.2 times Sierra Leone's.
The two have swapped places 1 time across 13 shared years of data; in 2013 it was Sierra Leone ahead.
Puerto Rico ranks 88th and Sierra Leone ranks 91st of 174 countries.
Puerto Rico has averaged higher in every one of the 2 decades both report.
Head to head by decade
| Decade | Puerto Rico | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 1.5% | 0.5% | 1.0% | Puerto Rico |
| 2020s | 1.9% | 1.4% | 0.4% | Puerto Rico |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of marine territorial waters that are protected, Puerto Rico or Sierra Leone?
- Puerto Rico, at 2.1% against 1.7% in Sierra Leone as of 2025.
- What is the difference in share of marine territorial waters that are protected between Puerto Rico and Sierra Leone?
- 0.4%, with Puerto Rico ahead.
- How many years of comparable data are there for Puerto Rico and Sierra Leone?
- 13 years are reported by both, from 2013 to 2025.
- How do Puerto Rico and Sierra Leone rank globally for share of marine territorial waters that are protected?
- Puerto Rico ranks 88th and Sierra Leone ranks 91st of 174 countries.
- Where does this data come from?
- Protected Planet WDPA and WD-OECM data, UNEP-WCMC and IUCN, via World Bank (2026) – processed by Our World in Data, published as Share of marine territorial waters that are protected. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Marine protected areas are regions of intertidal or sub-tidal land and associated water, flora and fauna, and cultural and historical features that have been legally or effectively reserved for protection.