Mapping the World’s Key Maritime Choke Points

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Maritime transport is an essential part of international trade—approximately 80% of global merchandise is shipped via sea.

Because of its importance, commercial shipping relies on strategic trade routes to move goods efficiently. These waterways are used by thousands of vessels a year—but it’s not always smooth sailing. In fact, there are certain points along these routes that pose a risk to the whole system.

Here’s a look at the world’s most vulnerable maritime bottlenecks—also known as choke points—as identified by GIS.

Visualization type: Infographic

Mapping the World’s Key Maritime Choke Points

Maritime transport is an essential part of international trade—approximately 80% of global merchandise is shipped via sea.

Here’s a look at the world’s most vulnerable maritime bottlenecks—also known as choke points—as identified by GIS.


First published: March 30, 2021 (link)

Source files included: .ai, .eps, .pdf

Data source: GIS

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