Environment in Central and Southern Asia 39 indicators covering environment for Central and Southern Asia. IndicatorLatest Year10-yr change Rank Average proportion of Marine Key Biodiversity Areas (KBAs) covered by 30.3% 2025 up 8.8% 19th Average proportion of Terrestrial Key Biodiversity Areas (KBAs) 21.5% 2025 up 18.5% 23rd Average proportion of Mountain Key Biodiversity Areas (KBAs) covered 23.3% 2025 up 12.8% 21st Average proportion of Freshwater Key Biodiversity Areas (KBAs) 23.6% 2025 up 29.3% 19th Proportion of population using safely managed drinking water 77.0% 2024 up 19.3% 16th Proportion of population using safely managed sanitation services, by 58.4% 2024 up 46.3% 22nd Proportion of population using basic drinking water services, by 95.1% 2024 up 6.1% 19th Proportion of population using basic sanitation services, by location 81.2% 2024 up 42.4% 23rd Level of water stress: freshwater withdrawal as a proportion of 67.8% 2023 down 4.8% 6th Water Use Efficiency 3.79 USD/m3 2023 up 67.0% 29th Reservoir minimum water area 15,596 kmsq 2022 up 5.3% 20th Reservoir minimum water area 0.1% 2022 up 5.3% 21st Lakes and rivers seasonal water area 176,775 kmsq 2022 up 24.0% 10th Reservoir maximum water area 0.2% 2022 up 6.6% 18th Reservoir maximum water area 25,686 kmsq 2022 up 6.6% 19th Lakes and rivers permanent water area 3.1% 2022 up 2.6% 7th Lakes and rivers seasonal water area 1.6% 2022 up 24.0% 4th Reservoir minimum water area change 8.9% 2022 up 161.2% 16th Lakes and rivers permanent water area 334,282 kmsq 2022 up 2.6% 11th Forest area certified under an independently verified certification 650.5 ha th 2024 down 22.0% 28th Lakes and rivers seasonal water area change 39.8% 2022 up 211.3% 23rd Lakes and rivers permanent water area change 3.5% 2022 up 304.2% 29th Above-ground biomass in forest 84.69 t per ha 2025 up 8.1% 29th Forest area 112,255 ha th 2025 up 2.5% 21st Forest area as a proportion of total land area 10.9% 2025 up 2.5% 34th Proportion of forest area within legally established protected areas 24.9% 2025 up 8.6% 11th Proportion of forest area with a long-term management plan 69.4% 2025 up 1.6% 9th Lake water quality turbidity 16.9% 2021 — 17th Lake water quality trophic state 0.8% 2021 — 31st Proportion of children moderately or severely wasted 13.0% 2024 down 9.7% 2nd Children moderately or severely wasted 24,572 num th 2024 down 13.6% 3rd Electronic waste collected 72,827 tonnes 2022 up 45,417.0% 19th Electronic waste collected, per capita 0.0349 kg 2022 up 43,575.0% 23rd Electronic waste recycled 72,827 tonnes 2022 — 18th Electronic waste recycled, per capita 0.0349 kg 2022 up 43,575.0% 23rd Electronic waste generated, per capita 3.84 kg 2025 up 122.3% 26th Electronic waste generated 8.33 million tonnes 2025 up 148.3% 9th Proportion of electronic waste recycled 1.1% 2022 up 23,257.9% 23rd Proportion of electronic waste collected 1.1% 2022 up 23,257.9% 21st