Maritime Flags of Convenience Visualized

October 18th, 2007 · Comments - by John -

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With the recent LNG News I decided to get to work on some maritime visualizations. Above is a bubble graph I created representing the number of ships registered to each flag state.

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This graph is even more interesting, it shows the number of ships registered to each country by foreign owners. Notice the Flags of Convenience? Surprising that the U.S. has 51 flagged ships registered by foreigners.

Data is from the May 15th 2007 version of the CIA World Factbook.
Total number of ships registered worldwide: 33,222
Total number of foreign owned ships: 16,717.
More graphs of this data:

Merchant Marine - Rank Order (top chart):

Ships owned by foreigners worldwide:

Related Articles:

About The Author

Captain John Konrad is co-founder of Unofficial Networks and Editor In Chief of this blog. He is a USCG licensed Master Mariner of Unlimited Tonnage and, since graduating from SUNY Maritime College, has sailed a variety of ships from ports around the world. He currently lives in Morro Bay, California with his wife and two children.
Full Profile: John

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Categories: Data · Interesting · Maritime Expert · Master Mariner · Ships · Web 2.0

Tags: · Data, Interesting, Maritime Expert, Master Mariner, Ships, Web 2.0

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Tim 11 months ago 1 point
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Very clever bubble visualisation! I worked in LNG ships registered in Liberia and Bermuda, both operated by BP. The professionalism of the operation was never in any jeopardy despite the FOC flying from the stern, I wonder can the same be said today with the explosion(pardon the metaphor) in the LNG trade.

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John 11 months ago 1 point
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I also work on a foreign flagged ship (Marshal Islands) that is tops on safety... but I have also seen other ships of my flag that are in a poor state. Seems to all hinge on the operator.

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