Share of marine territorial waters that are protected in Sierra Leone
Sierra Leone: Share of marine territorial waters that are protected was 1.7% in 2025. ◆ Volatile
Share of marine territorial waters that are protected in Sierra Leone, 2013–2025
Source: Protected Planet WDPA and WD-OECM data, UNEP-WCMC and IUCN, via World Bank (2026) – processed by Our World in Data. Measured in % of territorial waters.
Analysis
In 2025, share of marine territorial waters that are protected in Sierra Leone stood at 1.7%. That is the highest value across all 13 years on record.
Compared with earlier readings it is up 240.0% over ten years.
Over the whole period, share of marine territorial waters that are protected in Sierra Leone peaked at 1.7% in 2024 and was at its lowest, 0.5%, in 2013.
Sierra Leone ranks 91st of 174 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 0.5% | 0.5% | 0.5% | 7 |
| 2020s | 1.4% | 0.5% | 1.7% | 6 |
Countries ranked near Sierra Leone
- 88 Mozambique 2.1% compare
- 88 Puerto Rico 2.1% compare
- 90 Haiti 1.8% compare
- 91 Namibia 1.7% compare
- 91 Turkey 1.7% compare
- 94 Philippines 1.6% compare
More reference data data for Sierra Leone
- Spring temperature anomalies 0.1247 °C (2026)
- Summer temperature anomalies 0.8874 °C (2026)
- Temperature anomalies by month 0.2824 °C (2026)
- Universal right to vote in practice 2 (2025)
- Autumn temperature anomalies 0.1314 °C (2025)
- Winter temperature anomalies 0.1178 °C (2025)
- Consumer price index 771.75 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Competitive elections 0 (2025)
- Men's universal right to vote 1 (2025)
Frequently asked questions
- What is share of marine territorial waters that are protected in Sierra Leone?
- Share of marine territorial waters that are protected in Sierra Leone was 1.7% in 2025, according to Protected Planet WDPA and WD-OECM data, UNEP-WCMC and IUCN, via World Bank (2026) – processed by Our World in Data.
- What is the highest share of marine territorial waters that are protected recorded in Sierra Leone?
- The highest recorded value was 1.7% in 2024.
- What is the lowest share of marine territorial waters that are protected recorded in Sierra Leone?
- The lowest recorded value was 0.5% in 2013.
- How does Sierra Leone rank for share of marine territorial waters that are protected?
- Sierra Leone ranks 91st out of 174 countries with data for 2025.
- Is share of marine territorial waters that are protected rising or falling in Sierra Leone?
- Over the last ten years it is up 240.0%. The long-run trend across the full record is volatile.
- Where does this Sierra Leone data come from?
- The figures 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 part of Share of marine territorial waters that are protected. Statizoid updates them automatically from the source API.
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CSV · JSON — 13 observations, free to reuse under CC BY 4.0 (Our World in Data).
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.