Sierra Leone
Country in Africa
In brief
CO₂ emissions, tonnes per person: 0.2 (2024). World rank 21 of 203 (1 = best); in Africa, 12 of 53. All greenhouse gases, tonnes CO₂e per person: 0.9 (2024). World rank 19 of 203 (1 = best); in Africa, 7 of 53. Water stress, share of fresh water withdrawn: 0.5% (2022). World rank 11 of 178 (1 = best); in Africa, 7 of 53. From 2015 to 2025: protected areas 3.3% → 5.1%.