
Education in States and Nations: 1991
Purchasing Power Parity Indices (PPPI) were used to convert other currencies to U.S. dollars. Because the fiscal year has a different starting date in different countries, within-country Consumer Price Indexes (CPI) were used to adjust the PPPIs to account for inflation.
Fiscal year runs from July 1990 to June 1991.
Calculated from 3/4 (1990) + 1/4 (1991).
Fiscal year is 1990.
Fiscal year runs from April 1990 to March 1991.
Calculated from 1/2 (1990) + 1/2 (1991)
Due to the presence in the District of Columbia workforce of many who reside in the suburbs outside the District, the gross product of the District is abnormally large relative to its residential population. It is the size of its residential population, however, that more directly determines its educational expenditure.
Gross domestic product is gross national product less net property income from abroad.
The OECD source document listed 1991 country GDPs in 1985 U.S. dollars. The BEA source document listed 1990 state GSPs in 1990 U.S. dollars. The 1991 country GDPs, then, were converted to 1990 U.S. price levels using implicit price deflators for gross domestic product in 1985 and 1990 in the Economic Report of the President, January 1993. 1991 state GSPs were estimated from the 1990 GSPs per capita multiplied by the 1991 state populations.