Background:
The Pacific Ocean is the largest of the world's five oceans (followed by the Atlantic Ocean, Indian Ocean, Southern Ocean, and Arctic Ocean). Strategically important access waterways include the La Perouse, Tsugaru, Tsushima, Taiwan, Singapore, and Torres Straits.

NOTE: The information regarding Pacific Ocean on this page is re-published from the 2004 World Fact Book of the United States Central Intelligence Agency. No claims are made regarding the accuracy of Pacific Ocean Introduction 2004 information contained here. All suggestions for corrections of any errors about Pacific Ocean Introduction 2004 should be addressed to the CIA.