Source: U.S. Bureau of Economic Analysis  

Release: Gross Domestic Product  

Units:  Thousands, Not Seasonally Adjusted

Frequency:  Quarterly

Population includes resident population plus armed forces overseas. The annual estimate is constructed as an average of monthly series https://fred.stlouisfed.org/series/POPTHM.
BEA Account Code: B230RC

For more information about this series, please see http://www.bea.gov/national/.