2025 Marks Fourth Consecutive Years of Global Glacier Mass Loss
Global glaciers recorded another year of net ice loss in 2025 marking the fourth consecutive year in which every major glaciated region experienced a decline in ice mass according to the World Meteorological Organization (WMO) State of Global Water Resources 2025 report.
Between October 2024 and September 2025, glaciers worldwide lost an estimated 408 ± 132 gigatonnes of ice equivalent to about 1.1 ± 0.4 millimetres of sea level rise the report said.
Six of the seven largest annual glacier mass losses on record have occurred within the past seven years. Central Asia, South Asia West, the Russian Arctic, Iceland, and Western Canada and the United States recorded some of their most negative annual mass balances in 2025.
The WMO said mountain glaciers lost 6.2 per cent of their ice m...









