GDP, Gross Output Sources

Gross Domestic Product (GDP) and Gross Output are obtained from a variety of sources.

National GDP

We use a forecast of GDP in Historical Table 10.1 from the federal budget  for the current year out six years.

We use historical GDP from the Bureau of Economic Analysis for GDP from 1929 to the present(xls).

We use historical GDP from Measuring Worth from 1792 to 1928.

State GDP

We estimate state GDP by blending the latest historical GDP for each state with the forecast GDP in Historical Table 10.1 from the federal budget for the current year out six years.

We use historical GDP from the Bureau of Economic Analysis from 1963 to the present.

National Gross Output

We "guesstimate" future Gross Output by applying the ratio of (Gross Output)/GDP from the latest Gross Output value to the forecast GDP in Historical Table 10.1 of the federal budget for the current year out six years.

We use historical Gross Output from the Bureau of Economic Analysis for Gross Output from 1997 to the present here(xlsx). Gross Output from 1987 to 1997 is here(xls).

UPDATED: 4/28/2015.