6 countries at risk of sinking due to rising sea levels

july 11, 2025

Images: Shutterstock

Spurred by melting glaciers and global warming, the global average sea level has risen about  210-240 mm since the 1880s. This puts low-lying island nations at the risk of disappearing completely.

Here are some countries at risk of being submerged due to rising sea levels.

Kiribati

It's a Pacific island nation made up of 33 low-lying atolls at severe risk of being submerged due to rising sea levels. In 2014, its government bought land in Fiji as a contingency plan.

The Maldives

Over 80% of its 1,200 coral islands are less than one meter above sea level, putting it at risk of partial submersion by 2050 and complete submersion by the end of the century.

Tuvalu

Tuvalu, a small Pacific island nation, is losing parts of its landmass to coastal erosion. It’s projected that 95% of its landmass could be underwater during high tides by 2100.

Vanuatu

This Y-shaped island nation in the South Pacific could be completely under water by 2100. Sea levels around it have risen by 6mm per year since 1993, compared to the global average of 3.66 mm.

Solomon Islands

Located in the South Pacific Ocean, the Solomon Islands are at severe risk of being submerged. The country has already lost five of its islands to rising sea levels.

Marshall Islands

Located in the Central Pacific Ocean, they are at risk from rising sea levels. Even a 1 metre rise in sea level would permanently inundate 40% of the buildings in Majuro (the capital city).

This Pacific nation is uploading itself before it sinks

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