Key facts

Length
approximately 6,400 km
Basin area
approximately 7 million km²
Mean discharge
approximately 209,000 m³/s
Share of global river discharge to oceans
approximately 20%

Why it matters

The Amazon discharges more water than the next seven largest rivers combined. Its freshwater plume is detectable in the Atlantic hundreds of kilometres offshore. The basin also demonstrates that abundance is not the same as availability: the water is overwhelmingly in places with few people.

Relationships

Related intelligence

Sources