Environment in Oceania (exc. Australia and New Zealand) 35 indicators covering environment for Oceania (exc. Australia and New Zealand). IndicatorLatest Year10-yr change Rank Average proportion of Freshwater Key Biodiversity Areas (KBAs) 0.1% 2025 unchanged 20th Average proportion of Mountain Key Biodiversity Areas (KBAs) covered 9.0% 2025 up 16.9% 21st Average proportion of Terrestrial Key Biodiversity Areas (KBAs) 16.9% 2025 up 8.6% 21st Average proportion of Marine Key Biodiversity Areas (KBAs) covered by 24.9% 2025 up 13.2% 19th Proportion of population using safely managed sanitation services, by 21.3% 2024 up 8.2% 31st Proportion of population using basic drinking water services, by 62.6% 2024 up 11.8% 31st Proportion of population using basic sanitation services, by location 36.3% 2024 up 2.3% 30th Level of water stress: freshwater withdrawal as a proportion of 0.2% 2023 unchanged 27th Water Use Efficiency 84.64 2023 up 24.5% 3rd Reservoir minimum water area 0.0% 2022 down 4.8% 30th Lakes and rivers permanent water area 2,865 2022 up 13.3% 29th Lakes and rivers seasonal water area 0.4% 2022 up 50.0% 23rd Lakes and rivers permanent water area 0.5% 2022 up 13.3% 26th Lakes and rivers seasonal water area 2,243 2022 up 50.0% 30th Reservoir minimum water area 41.69 2022 down 4.8% 31st Reservoir maximum water area 0.0% 2022 up 2.2% 30th Reservoir maximum water area 49.29 2022 up 2.2% 31st Reservoir minimum water area change 1.2% 2022 down 80.7% 28th Forest area certified under an independently verified certification 136.95 2024 down 27.4% 26th Lakes and rivers permanent water area change 21.9% 2022 up 190.1% 2nd Lakes and rivers seasonal water area change 53.6% 2022 up 2,152.3% 17th Above-ground biomass in forest 179.99 2025 up 0.0% 2nd Forest area as a proportion of total land area 74.0% 2025 down 0.3% 1st Forest area 40,033 2025 down 0.3% 25th Proportion of forest area within legally established protected areas 4.3% 2025 unchanged 32nd Beach litter originating from national land-based sources that ends 22.6% 2022 down 2.7% 23rd Beach litter originating from national land-based sources that ends 21,855 2022 down 7.8% 23rd Proportion of forest area with a long-term management plan 14.8% 2025 unchanged 29th Lake water quality turbidity 14.9% 2021 — 23rd Lake water quality trophic state 3.0% 2021 — 4th Children moderately or severely wasted 134.1 2024 up 16.9% 20th Proportion of children moderately or severely wasted 8.4% 2024 up 10.5% 3rd Electronic waste recycled 0 2022 — 28th Electronic waste generated 25,911 2025 up 63.9% 30th Electronic waste generated, per capita 1.8 2025 up 37.4% 29th