World Port Index

The selection of these places is based on criteria established by the National Geospatial-Intelligence Agency.

In order to present such a large amount of diversified data in a single volume of convenient size, a simple code is used to indicate certain types of information.

In addition to the published text edition of the World Port Index, the National Geospatial-Intelligence Agency also makes the data available in tabular and spatial formats.

The data is available from the National Geospatial-Intelligence Agency's World Port Index webpage.

[1] The text of this article originated from the preface of the World Port Index and section 413 of The American Practical Navigator.