2025 was among driest years on record for world’s rivers, study finds

Analysis of global resources reveals depletion in world’s water savings bank to 42% below normal levels last year

Rivers across the world experienced one of their driest years in more than three decades in 2025, a comprehensive study of global water resources has found.

The assessment of the global water cycle by the World Meteorological Organisation (WMO) reveals a depletion in the world’s water savings bank: the amount of freshwater held on or under the ground, including groundwater, lakes, rivers, snow, ice moisture in the soil and inside plants and trees, was 42% below normal across the world last year.

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