lation). The net
migration rate indicates the contribution of migration to the overall
level of population change. High levels of migration can cause problems
such as increasing unemployment and potential ethnic strife (if people
are coming in) or a reduction in the labor force, perhaps in certain
key sectors (if people are leaving).

Oil - production
This entry is the total oil produced in barrels per day (bbl/day). The
discrepancy between the amount of oil produced and/or imported and the
amount consumed and/or exported is due to the omission of stock
changes, refinery gains, and other complicating factors.

Oil - consumption
This entry is the total oil consumed in barrels per day (bbl/day). The
discrepancy between the amount of oil produced and/or imported and the
amount consumed and/or exported is due to the omission of stock
changes, refinery gains, and other complicating factors.

Oil - exports
This entry is the total oil exported in barrels per day (bbl/day),
including both crude oil and oil products.

Oil - imports
This entry is the total oil imported in barrels per day (bbl/day),
including both crude oil and oil products.

Oil - proved reserves
This entry is the stock of proved reserves of crude oil in barrels
(bbl). Proved reserves are those quantities of petroleum which, by
analysis of geological and engineering data, can be estimated with a
high degree of confidence to be commercially recoverable from a given
date forward, from known reservoirs and under current economic
conditions.

People
This category includes the entries dealing with the characteristics of
the people and their society.

People - note
This entry includes miscellaneous demographic information of
significance not included elsewhere.

Personal Names - Capitalization
The Factbook capitalizes the surname or family name of individuals for
the convenience of our users who are faced with a world of different
cultures and naming conventions. The need for capitalization, bold
type, underlining, italics, or some other indicator of the individual's
surname is apparent in the following examples: MAO Zedong, Fidel
CASTRO Ruz, George W. BUSH, and TUNKU SALAHUDDIN Abdul Aziz Shah ibni
Al-Marhum Sultan Hisammuddin Alam Shah. By knowing the surname, a
short form without all capital letters can be used with confidence as
in President Castro, Chairman Mao, President Bush, or Sultan Tunku
Salahuddin. The same system of capitalization is