How big is the biggest delta in the world?

Deltas are of appreciable economic importance. They support plant and animal life, agriculture and fishing, transport, and tourism. The largest delta on Earth is the Ganges-Brahmaputra Delta in India, Asia. It has an area of 105,645 square kilometers.



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The Ganges-Brahmaputra delta is the world's largest delta, covering most of Bangladesh and the state of West Bengal (India). The size of the delta is a reflection of the enormous input of sediment being washed off the still-growing Himalayan mountains into the Ganges river basin.

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The Ganges Brahmaputra Delta, also named Ganges Delta, Sunderban Delta or Bengal Delta is situated in Asia where the Ganges and Brahmaputra rivers discharge into the Bay of Bengal. It is, with a surface area of some 100.000 km2, the world's largest Delta.

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For 7,000 years, the Mississippi River has snaked across southern Louisiana, depositing sediment from 31 states and 2 Canadian provinces across its delta. As sediment accumulated under water, plant communities began to develop, trapping more sediment and building land.

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The Sundarban delta is formed by the super confluence of the Ganga, Brahmaputra and Meghna rivers. It derives its name from the Sundari tree which grows in marshland. It is the world's largest and fastest growing delta.

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Ganges River Delta. The Ganges River and its surrounding watershed supports one of the most fertile and densely populated regions on the planet, and its intricate web of waterways offered a stunning view to the crew of the Space Shuttle Columbia on mission STS-87.

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The Nile delta in the Mediterranean Sea, the Mississippi delta in the Gulf of Mexico, the Yellow River delta in the Bohai Sea and the Ganges-Brahmaputra delta in the Bay of Bengal rank among the most famous.

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The largest inland delta in the world, the Okavango Delta is the most unexpected wonder – water present in a desert. The broad Okavango River sinks into the dry sands of the Kalahari Desert, creating a lush and waterlogged oasis with crystal clear lagoons and channels, reeded islands and fertile floodplains.

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Land loss crisis Every 100 minutes, a football field of land disappears into open water. Leveeing of the Mississippi River in the early 20th century severed the tie between the river and its surrounding wetlands, cutting off the Mississippi River Delta from its life-giving river and the sediment it carries.

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The largest inland delta in the world, the Okavango Delta is the most unexpected wonder – water present in a desert. The broad Okavango River sinks into the dry sands of the Kalahari Desert, creating a lush and waterlogged oasis with crystal clear lagoons and channels, reeded islands and fertile floodplains.

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