What is the coastal population of the United States?

• In 2003, approximately 153 million people (53 percent of the nation's population) lived in U.S. coastal counties. Read the National Oceanic and Atmospheric Administration's Population Trends Along the Coastal United States: 1980-2008.
• See also U.S. Census Bureau's "Table 29. Population in Coastal Counties: 1960 to 2005" (Excel: 19KB)

How many people in the world live within 200 km of a coastline?

• Approximately 3 billion people worldwide live within 200 kilometers of a coastline. Read PRB's Ripple Effects: Population and Coastal Regions.
• See also World Resources Institute's Fisheries: Population Within 100 km of Coast at the Earth Trends: The Environmental Information Portal.