inus income
earned by foreigners from domestic production. The Factbook,
following current practice, uses GDP rather than GNP to
measure national production. However, the user must realize
that in certain countries net remittances from citizens
working abroad may be important to national well-being.

Government: This category includes the entries dealing with
the system for the adoption and administration of public
policy.

Government type: This entry gives the basic form of
government (e.g., republic, constitutional monarchy, federal
republic, parliamentary democracy, military dictatorship).

Government--note: This entry includes miscellaneous
government information of significance not included
elsewhere.

Gross domestic product: see GDP

Gross national product: see GNP

Gross world product: see GWP

GWP: This entry gives the gross world product (GWP) or
aggregate value of all final goods and services produced
worldwide in a given year.

Heliports: This entry gives the total number of established
helicopter takeoff and landing sites (which may or may not
have fuel or other services).

Highways: This entry includes the total length of the
highway system as well as the length of the paved and
unpaved components.

Household income or consumption by percentage share: Data on
household income or consumption come from household surveys,
the results adjusted for household size. Nations use
different standards and procedures in collecting and
adjusting the data. Surveys based on income will normally
show a more unequal distribution than surveys based on
consumption. The quality of surveys is improving with time,
yet caution is still necessary in making inter-country
comparisons.

Illicit drugs: This entry gives information on the five
categories of illicit drugs--narcotics, stimulants,
depressants (sedatives), hallucinogens, and cannabis. These
categories include many drugs legally produced and
prescribed by doctors as well as those illegally produced
and sold outside of medical channels.

Cannabis (Cannabis sativa) is the common hemp plant, which
provides hallucinogens with some sedative properties, and
includes marijuana (pot, Acapulco gold, grass, reefer),
tetrahydrocannabinol (THC, Marinol), hashish (hash), and
hashish oil (hash oil).

Coca (mostly Erythroxylum coca) is a bush with leaves that
contain the stimulant used to make cocaine. Coca is not to
be confused with cocoa, which comes from cacao