Country Profile Sources and Definitions

Major sources:

The World Factbook 2001; Center for International Research, U.S. Bureau of the Census; The Columbia Encyclopedia; The World Book Encyclopedia; Encyclopædia Britannica; U.S. State Dept., and various newspapers.

Population figures are supplied by the U.S. Census Bureau.

Gross domestic product (GDP)
The value of all goods and services produced domestically.
Purchasing power parity (PPP)
The PPP method involves the use of standardized international dollar price weights, which are applied to the GDP produced in a given economy. The data derived from the PPP method provide a better comparison of economic well-being between countries than conversions at official currency exchange rates.
Gross national product (GNP)
The value of all goods and services produced domestically plus income earned abroad, minus income earned by foreigners from domestic production.
cost, insurance, and freight
free on board
Inflation is based on consumer prices.