here have been some significant changes in this edition. The country
name Western Samoa has been changed to Samoa. The spelling of
Kazakhstan includes the letter "h" once again; the spelling Kazakstan
is no longer used. Introduction is a category with two entries-Current
issues and Historical perspective-that appears in only a few country
profiles at this time. In the future, this category may be added to
more countries.
Abbreviations: This information is included in Appendix A:
Abbreviations, which includes all abbreviations and acronyms used in
the Factbook, with their expansions.
Administrative divisions: This entry generally gives the numbers,
designatory terms, and first-order administrative divisions as
approved by the US Board on Geographic Names (BGN). Changes that have
been reported but not yet acted on by BGN are noted.
Age structure: This entry provides the distribution of the population
according to age. Information is included by sex and age group (0-14
years, 15-64 years, 65 years and over). The age structure of a
population will affect a country's investment pattern. Countries with
young populations (high percentage under age 15) need to invest more
in schools, while countries with older populations (high percentage
ages 65 and over) need to invest more in the health sector. The age
structure can also be used to help predict potential political issues.
For example, the rapid growth of a young adult population unable to
find employment can lead to unrest.
Agriculture-products: This entry is a rank ordering of major crops and
products starting with the most important.
Airports: This entry gives the total number of airports. The runway(s)
may be paved (concrete or asphalt surfaces) or unpaved (grass, dirt,
sand, or gravel surfaces), but must be usable. Not all airports have
facilities for refueling, maintenance, or air traffic control.
Airports-with paved runways: This entry gives the total number of
airports with paved runways (concrete or asphalt surfaces). For
airports with more than one runway, only the longest runway is
included according to the following five groups-(1) over 3,047 m, (2)
2,438 to 3,047 m, (3) 1,524 to 2,437 m, (4) 914 to 1,523 m, and (5)
under 914 m. Only airports with usable runways are included in this
listing. Not all airports have facilities for refueling, maintenance,
or air traffic control.
Airports-with unpaved runways: This entry gives the total number of
airpor
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