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National

Legacy ID
1581

Social and Economic Characteristics of the United States

KEY:  NA = not applicable; R = revised; U = data are not available.

a Estimates are as of July 1 for each year. The numbers for each sub-category in each year may not add up to the total population due to rounding.

b New metropolitan area definitions were published by the Office of Management and Budget (OMB) in 2003. These definitions were applied to population data by the Census Bureau beginning with the data from the 2000 Census. A new term, core based statistical areas (CBSAs), collectively refers to metropolitan and micropolitan statistical...

Weight of U.S. Exports to and Imports from Canada and Mexico by Transportation Mode

KEY: R = revised.

 

a Other includes "flyaway aircraft" or aircraft moving under their own power (i.e., aircraft moving from the manufacturer to a customer and not carrying any freight), powerhouse (electricity), vessels moving under their own power, pedestrians carrying freight, mode unknown, mail, imports into Foreign Trade Zones (FTZs), and miscellaneous. Although FTZs are treated as a mode of transportation in the Transborder Freight Data, the actual mode for a specific shipment into or out of an FTZ is unknown because U.S....