NAVIGATION
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NAVIGATION
The World
INTRODUCTION
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Background:
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Globally, the 20th century was marked by: (a) two devastating world wars; (b) the Great Depression of the 1930s; (c) the end of vast colonial empires; (d) rapid advances in science and technology, from the first airplane flight at Kitty Hawk, North Carolina (US) to the landing on the moon; (e) the Cold War between the Western alliance and the Warsaw Pact nations; (f) a sharp rise in living standards in North America, Europe, and Japan; (g) increased concerns about the environment, including loss of forests, shortages of energy and water, the decline in biological diversity, and air pollution; (h) the onset of the AIDS epidemic; and (i) the ultimate emergence of the US as the only world superpower. The planet's population continues to explode: from 1 billion in 1820, to 2 billion in 1930, 3 billion in 1960, 4 billion in 1974, 5 billion in 1988, and 6 billion in 2000. For the 21st century, the continued exponential growth in science and technology raises both hopes (e.g., advances in medicine) and fears (e.g., development of even more lethal weapons of war). |
GEOGRAPHY
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Map references:
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Physical Map of the World, Political Map of the World, Standard Time Zones of the World |
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Area:
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total: 510.072 million sq km
land: 148.94 million sq km water: 361.132 million sq km note: 70.8% of the world's surface is water, 29.2% is land |
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Area - comparative:
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land area about 16 times the size of the US |
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Land boundaries:
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the land boundaries in the world total 250,472 km (not counting shared boundaries twice) |
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Coastline:
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356,000 km |
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Maritime claims:
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a variety of situations exist, but in general, most countries make the following claims: contiguous zone - 24 NM; continental shelf - 200-m depth or to the depth of exploitation, or 200 NM or to the edge of the continental margin; exclusive fishing zone - 200 NM; exclusive economic zone - 200 NM; territorial sea - 12 NM; boundary situations with neighboring states prevent many countries from extending their fishing or economic zones to a full 200 NM; 43 nations and other areas that are landlocked include Afghanistan, Andorra, Armenia, Austria, Azerbaijan, Belarus, Bhutan, Bolivia, Botswana, Burkina Faso, Burundi, Central African Republic, Chad, Czech Republic, Ethiopia, Holy See (Vatican City), Hungary, Kazakhstan, Kyrgyzstan, Laos, Lesotho, Liechtenstein, Luxembourg, Malawi, Mali, Moldova, Mongolia, Nepal, Niger, Paraguay, Rwanda, San Marino, Slovakia, Swaziland, Switzerland, Tajikistan, The Former Yugoslav Republic of Macedonia, Turkmenistan, Uganda, Uzbekistan, West Bank, Zambia, Zimbabwe; two of these, Liechtenstein and Uzbekistan, are doubly landlocked |
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Climate:
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two large areas of polar climates separated by two rather narrow temperate zones form a wide equatorial band of tropical to subtropical climates |
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Terrain:
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the greatest ocean depth is the Mariana Trench at 10,924 m in the Pacific Ocean |
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Elevation extremes:
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lowest point: Bentley Subglacial Trench -2,540 m
note: in the oceanic realm, Challenger Deep in the Mariana Trench is the lowest point, lying -10,924 m below the surface of the Pacific Ocean highest point: Mount Everest 8,850 m (1999 est.) |
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Natural resources:
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the rapid depletion of nonrenewable mineral resources, the depletion of forest areas and wetlands, the extinction of animal and plant species, and the deterioration in air and water quality (especially in Eastern Europe, the former USSR, and China) pose serious long-term problems that governments and peoples are only beginning to address |
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Land use:
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arable land: 10.58%
permanent crops: 1% other: 88.42% (1998 est.) |
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Irrigated land:
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2,714,320 sq km (1998 est.) |
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Natural hazards:
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large areas subject to severe weather (tropical cyclones), natural disasters (earthquakes, landslides, tsunamis, volcanic eruptions) |
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Environment - current issues:
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large areas subject to overpopulation, industrial disasters, pollution (air, water, acid rain, toxic substances), loss of vegetation (overgrazing, deforestation, desertification), loss of wildlife, soil degradation, soil depletion, erosion |
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Geography - note:
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the world is now thought to be about 4.55 billion years old, just about one-third of the 13-billion-year age estimated for the universe |
PEOPLE
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Population:
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6,302,309,691 (July 2003 est.) |
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Age structure:
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0-14 years: 29.2% (male 932,581,592; female 885,688,851)
15-64 years: 63.7% (male 2,009,997,089; female 1,964,938,201) 65 years and over: 7.1% (male 193,549,180; female 247,067,032) (2003 est.) note: some countries do not maintain age structure information, thus a slight discrepancy exists between the total world population and the total for world age structure |
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Population growth rate:
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1.17% (2003 est.) |
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Birth rate:
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20.43 births/1,000 population (2003 est.) |
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Death rate:
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8.83 deaths/1,000 population (2003 est.) |
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Sex ratio:
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at birth: 1.05 male(s)/female
under 15 years: 1.05 male(s)/female 15-64 years: 1.02 male(s)/female 65 years and over: 0.78 male(s)/female total population: 1.01 male(s)/female (2003 est.) |
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Infant mortality rate:
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total: 51.38 deaths/1,000 live births
male: 53.81 deaths/1,000 live births female: 48.83 deaths/1,000 live births (2003 est.) |
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Life expectancy at birth:
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total population: 63.95 years
male: 62 years female: 70.23 years (2003 est.) |
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Total fertility rate:
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2.65 children born/woman (2003 est.) |
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HIV/AIDS - adult prevalence rate:
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NA% |
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HIV/AIDS - people living with HIV/AIDS:
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NA |
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HIV/AIDS - deaths:
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NA |
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Religions:
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Christians 32.79% (of which Roman Catholics 17.33%, Protestants 5.62%, Orthodox 3.51%, Anglicans 1.31%), Muslims 19.6%, Hindus 13.31%, Buddhists 5.88%, Sikhs 0.38%, Jews 0.24%, other religions 12.83%, non-religious 12.53%, atheists 2.44% (2001 est.) |
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Languages:
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Chinese, Mandarin 14.37%, Hindi 6.02%, English 5.61%, Spanish 5.59%, Bengali 3.4%, Portuguese 2.63%, Russian 2.75%, Japanese 2.06%, German, Standard 1.64%, Korean 1.28%, French 1.27% (2000 est.)
note: percents are for "first language" speakers only |
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Literacy:
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definition: age 15 and over can read and write
total population: 77% male: 83% female: 71% (1995 est.) |
