Sierra Leone vs United States of America: Terrestrial protected areas
Terrestrial protected areas over time
- Sierra Leone
- United States of America
How they compare
United States of America currently reports 12.9% against 12.6% in Sierra Leone, a difference of 0.3%.
Across all 13 years both countries report, United States of America has been ahead every year.
Sierra Leone ranks 144th and United States of America ranks 141st of 213 countries.
United States of America has averaged higher in every one of the 2 decades both report.
Head to head by decade
| Decade | Sierra Leone | United States of America | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 9.4% | 13.2% | 3.8% | United States of America |
| 2020s | 12.1% | 12.8% | 0.6% | United States of America |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher terrestrial protected areas, Sierra Leone or United States of America?
- United States of America, at 12.9% against 12.6% in Sierra Leone as of 2025.
- What is the difference in terrestrial protected areas between Sierra Leone and United States of America?
- 0.3%, with United States of America ahead.
- How many years of comparable data are there for Sierra Leone and United States of America?
- 13 years are reported by both, from 2013 to 2025.
- How do Sierra Leone and United States of America rank globally for terrestrial protected areas?
- Sierra Leone ranks 144th and United States of America ranks 141st of 213 countries.
- Where does this data come from?
- Protected Planet: The World Database on Protected Areas (WDPA) and World Database on Other Effective Area-based Conservation Measures (WD-OECM), UN Environment Programme World Conservation Monitoring, published as Terrestrial protected areas (% of total land area). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Terrestrial protected areas are totally or partially protected areas of at least 1,000 hectares that are designated by national authorities as scientific reserves with limited public access, national parks, natural monuments, nature reserves or wildlife sanctuaries, protected landscapes, and areas managed mainly for sustainable use. Marine areas, unclassified areas, littoral (intertidal) areas, and sites protected under local or provincial law are excluded.