Yemen
Country in Asia
In brief
Air pollution PM2.5, µg/m³: 46.8 (2023). World rank 186 of 200 (1 = best); in Asia, 36 of 47. Renewable fresh water, m³ per person: 55 (2022). World rank 178 of 183; in Asia, 43 of 47. Water stress, share of fresh water withdrawn: 170% (2022). World rank 173 of 178 (1 = best); in Asia, 43 of 47. From 2015 to 2025: protected areas 0.6% → 0.7%. Better than all its neighbours (Oman and Saudi Arabia): CO₂ emissions, all greenhouse gases, and air pollution PM2.5. Worse than all its neighbours (Oman and Saudi Arabia): protected areas.