Namibia (2007) | Guyana (2001) | |
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Administrative divisions | 13 regions; Caprivi, Erongo, Hardap, Karas, Khomas, Kunene, Ohangwena, Okavango, Omaheke, Omusati, Oshana, Oshikoto, Otjozondjupa | 10 regions; Barima-Waini, Cuyuni-Mazaruni, Demerara-Mahaica, East Berbice-Corentyne, Essequibo Islands-West Demerara, Mahaica-Berbice, Pomeroon-Supenaam, Potaro-Siparuni, Upper Demerara-Berbice, Upper Takutu-Upper Essequibo |
Age structure | 0-14 years: 37.7% (male 390,448/female 383,698)
15-64 years: 58.6% (male 606,239/female 597,512) 65 years and over: 3.8% (male 34,926/female 42,257) (2007 est.) |
0-14 years:
28.19% (male 100,194; female 96,309) 15-64 years: 66.89% (male 234,976; female 231,360) 65 years and over: 4.92% (male 15,324; female 19,018) (2001 est.) |
Agriculture - products | millet, sorghum, peanuts, grapes; livestock; fish | sugar, rice, wheat, vegetable oils; beef, pork, poultry, dairy products; forest and fishery potential not exploited |
Airports | 137 (2007) | 51 (2000 est.) |
Airports - with paved runways | total: 21
over 3,047 m: 3 2,438 to 3,047 m: 2 1,524 to 2,437 m: 13 914 to 1,523 m: 3 (2007) |
total:
6 1,524 to 2,437 m: 3 914 to 1,523 m: 1 under 914 m: 2 (2000 est.) |
Airports - with unpaved runways | total: 116
2,438 to 3,047 m: 2 1,524 to 2,437 m: 22 914 to 1,523 m: 72 under 914 m: 20 (2007) |
total:
45 1,524 to 2,437 m: 1 914 to 1,523 m: 8 under 914 m: 36 (2000 est.) |
Area | total: 825,418 sq km
land: 825,418 sq km water: 0 sq km |
total:
214,970 sq km land: 196,850 sq km water: 18,120 sq km |
Area - comparative | slightly more than half the size of Alaska | slightly smaller than Idaho |
Background | South Africa occupied the German colony of South-West Africa during World War I and administered it as a mandate until after World War II, when it annexed the territory. In 1966 the Marxist South-West Africa People's Organization (SWAPO) guerrilla group launched a war of independence for the area that was soon named Namibia, but it was not until 1988 that South Africa agreed to end its administration in accordance with a UN peace plan for the entire region. Namibia won its independence in 1990 and has been governed by SWAPO since. Hifikepunye POHAMBA was elected president in November 2004 in a landslide victory replacing Sam NUJOMA who led the country during its first 14 years of self rule. | Guyana achieved independence from the UK in 1966 and became a republic in 1970. In 1989 Guyana launched an Economic Recovery Program, which marked a dramatic reversal from a state-controlled, socialist economy towards a more open, free market system. Results through the first decade have proven encouraging. |
Birth rate | 23.52 births/1,000 population (2007 est.) | 17.92 births/1,000 population (2001 est.) |
Budget | revenues: $2.396 billion
expenditures: $2.26 billion (2006 est.) |
revenues:
$220.1 million expenditures: $286.4 million, including capital expenditures of $86.6 million (1998) |
Capital | name: Windhoek
geographic coordinates: 22 34 S, 17 05 E time difference: UTC+1 (6 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins first Sunday in September; ends first Sunday in April |
Georgetown |
Climate | desert; hot, dry; rainfall sparse and erratic | tropical; hot, humid, moderated by northeast trade winds; two rainy seasons (May to mid-August, mid-November to mid-January) |
Coastline | 1,572 km | 459 km |
Constitution | ratified 9 February 1990, effective 12 March 1990 | 6 October 1980 |
Country name | conventional long form: Republic of Namibia
conventional short form: Namibia local long form: Republic of Namibia local short form: Namibia former: German Southwest Africa, South-West Africa |
conventional long form:
Co-operative Republic of Guyana conventional short form: Guyana former: British Guiana |
Currency | - | Guyanese dollar (GYD) |
Death rate | 19.15 deaths/1,000 population (2007 est.) | 8.87 deaths/1,000 population (2001 est.) |
Debt - external | $1.348 billion (2006 est.) | $1.1 billion (2000) |
Diplomatic representation from the US | chief of mission: Ambassador Joyce BARR
embassy: Ausplan Building, 14 Lossen Street, Windhoek mailing address: Private Bag 12029 Ausspannplatz, Windhoek telephone: [264] (61) 221601 FAX: [264] (61) 229792 |
chief of mission:
Ambassador Ronald D. GODARD embassy: 100 Young and Duke Streets, Kingston, Georgetown mailing address: P. O. Box 10507, Georgetown telephone: [592] (2) 54900 through 54909, 57960 through 57969 FAX: [592] (2) 58497 |
Diplomatic representation in the US | chief of mission: Ambassador Patrick NANDAGO
chancery: 1605 New Hampshire Avenue NW, Washington, DC 20009 telephone: [1] (202) 986-0540 FAX: [1] (202) 986-0443 |
chief of mission:
Ambassador Dr. Ali Odeen ISHMAEL chancery: 2490 Tracy Place NW, Washington, DC 20008 telephone: [1] (202) 265-6900 consulate(s) general: New York |
Disputes - international | concerns from international experts and local populations over the Okavango Delta ecology in Botswana and human displacement scuttled Namibian plans to construct a hydroelectric dam on Popa Falls along the Angola-Namibia border; managed dispute with South Africa over the location of the boundary in the Orange River; Namibia has supported, and in 2004 Zimbabwe dropped objections to, plans between Botswana and Zambia to build a bridge over the Zambezi River, thereby de facto recognizing a short, but not clearly delimited, Botswana-Zambia boundary in the river | all of the area west of the Essequibo (river) claimed by Venezuela; Suriname claims area between New (Upper Courantyne) and Courantyne/Kutari [Koetari] rivers (all headwaters of the Courantyne) |
Economic aid - recipient | ODA, $123.4 million (2005 est.) | $84 million (1995), Heavily Indebted Poor Country Initiative (HIPC) $253 million (1997) |
Economy - overview | The economy is heavily dependent on the extraction and processing of minerals for export. Mining accounts for 20% of GDP. Rich alluvial diamond deposits make Namibia a primary source for gem-quality diamonds. Namibia is the fourth-largest exporter of nonfuel minerals in Africa, the world's fifth-largest producer of uranium, and the producer of large quantities of lead, zinc, tin, silver, and tungsten. The mining sector employs only about 3% of the population while about half of the population depends on subsistence agriculture for its livelihood. Namibia normally imports about 50% of its cereal requirements; in drought years food shortages are a major problem in rural areas. A high per capita GDP, relative to the region, hides the world's worst inequality of income distribution. The Namibian economy is closely linked to South Africa with the Namibian dollar pegged one-to-one to the South African rand. Privatization of several enterprises in coming years may stimulate long-run foreign investment. Increased fish production and mining of zinc, copper, uranium, and silver spurred growth in 2003-06. | Severe drought and political turmoil contributed to Guyana's negative growth of -1.8% for 1998 following six straight years of growth of 5% or better. Growth came back to a positive 1.8% in 1999 and 3% in 2000. Underlying growth factors have included expansion in the key agricultural and mining sectors, a more favorable atmosphere for business initiative, a more realistic exchange rate, a moderate inflation rate, and continued support by international organizations. President JAGDEO, the former finance minister, is taking steps to reform the economy, including drafting an investment code and restructuring the inefficient and unresponsive public sector. Problems include a shortage of skilled labor and a deficient infrastructure. The government must persist in efforts to manage its sizable external debt and attract new investment. |
Electricity - consumption | 2.863 billion kWh (2005) | 423.2 million kWh (1999) |
Electricity - exports | 78 million kWh (2005) | 0 kWh (1999) |
Electricity - imports | 1.567 billion kWh; note - electricity supplied by South Africa (2005) | 0 kWh (1999) |
Electricity - production | 1.688 billion kWh (2005) | 455 million kWh (1999) |
Electricity - production by source | - | fossil fuel:
98.9% hydro: 1.1% nuclear: 0% other: 0% (1999) |
Elevation extremes | lowest point: Atlantic Ocean 0 m
highest point: Konigstein 2,606 m |
lowest point:
Atlantic Ocean 0 m highest point: Mount Roraima 2,835 m |
Environment - current issues | very limited natural fresh water resources; desertification; wildlife poaching; land degradation has led to few conservation areas | water pollution from sewage and agricultural and industrial chemicals; deforestation |
Environment - international agreements | party to: Antarctic-Marine Living Resources, Biodiversity, Climate Change, Climate Change-Kyoto Protocol, Desertification, Endangered Species, Hazardous Wastes, Law of the Sea, Ozone Layer Protection, Wetlands
signed, but not ratified: none of the selected agreements |
party to:
Biodiversity, Climate Change, Desertification, Endangered Species, Law of the Sea, Ozone Layer Protection, Ship Pollution, Tropical Timber 83, Tropical Timber 94 signed, but not ratified: none of the selected agreements |
Ethnic groups | black 87.5%, white 6%, mixed 6.5%
note: about 50% of the population belong to the Ovambo tribe and 9% to the Kavangos tribe; other ethnic groups includes Herero 7%, Damara 7%, Nama 5%, Caprivian 4%, Bushmen 3%, Baster 2%, Tswana 0.5% |
East Indian 49%, black 32%, mixed 12%, Amerindian 6%, white and Chinese 1% |
Exchange rates | Namibian dollars per US dollar - 6.7649 (2006), 6.3593 (2005), 6.4597 (2004), 7.5648 (2003), 10.5407 (2002) | Guyanese dollars per US dollar - 184.1 (November 2000), 182.2 (2000), 178.0 (1999), 150.5 (1998), 142.4 (1997), 140.4 (1996) |
Executive branch | chief of state: President Hifikepunye POHAMBA (since 21 March 2005)
head of government: Prime Minister Nahas ANGULA (since 21 March 2005) cabinet: Cabinet appointed by the president from among the members of the National Assembly elections: president elected by popular vote for a five-year term (eligible for a second term); election last held 15 November 2004 (next to be held in November 2009) election results: Hifikepunye POHAMBA elected president; percent of vote - Hifikepunye POHAMBA 76.4%, Den ULENGA 7.3%, Katuutire KAURA 5.1%, Kuaima RIRUAKO 4.2%, Justus GAROEB 3.8%, other 3.2% |
chief of state:
President Bharrat JAGDEO (since 11 August 1999); note - assumed presidency after resignation of President JAGAN head of government: Prime Minister Samuel HINDS (since NA December 1997) cabinet: Cabinet of Ministers appointed by the president, responsible to the legislature elections: president elected by the majority party in the National Assembly following legislative elections, which must be held at least every five years; elections last held 19 March 2001 (next to be held NA); prime minister appointed by the president election results: President Bharrat JAGDEO reelected; percent of legislative vote - NA% |
Exports | NA bbl/day | $570 million (f.o.b., 2000 est.) |
Exports - commodities | diamonds, copper, gold, zinc, lead, uranium; cattle, processed fish, karakul skins | sugar, gold, bauxite/alumina, rice, shrimp, molasses, rum, timber |
Exports - partners | South Africa 33.4%, US 4% (2006) | US 22%, Canada 22%, UK 18%, Netherlands Antilles 11%, Jamaica (1999) |
Fiscal year | 1 April - 31 March | calendar year |
Flag description | a wide red stripe edged by narrow white stripes divides the flag diagonally from lower hoist corner to upper fly corner; the upper hoist-side triangle is blue and charged with a yellow, 12-rayed sunburst; the lower fly-side triangle is green | green, with a red isosceles triangle (based on the hoist side) superimposed on a long, yellow arrowhead; there is a narrow, black border between the red and yellow, and a narrow, white border between the yellow and the green |
GDP | - | purchasing power parity - $3.4 billion (2000 est.) |
GDP - composition by sector | agriculture: 10.9%
industry: 30.6% services: 58.5% (2006 est.) |
agriculture:
34.7% industry: 32.5% services: 32.8% (1998 est.) |
GDP - per capita | - | purchasing power parity - $4,800 (2000 est.) |
GDP - real growth rate | 2.9% (2006 est.) | 3% (2000 est.) |
Geographic coordinates | 22 00 S, 17 00 E | 5 00 N, 59 00 W |
Geography - note | first country in the world to incorporate the protection of the environment into its constitution; some 14% of the land is protected, including virtually the entire Namib Desert coastal strip | - |
Highways | - | total:
7,970 km paved: 590 km unpaved: 7,380 km (1996) |
Household income or consumption by percentage share | lowest 10%: 0.5%
highest 10%: 64.5% (2003) |
lowest 10%:
NA% highest 10%: NA% |
Illicit drugs | - | transshipment point for narcotics from South America - primarily Venezuela - to Europe and the US; producer of cannabis |
Imports | 17,580 bbl/day (2004) | $660 million (c.i.f., 2000 est.) |
Imports - commodities | foodstuffs; petroleum products and fuel, machinery and equipment, chemicals | manufactures, machinery, petroleum, food |
Imports - partners | South Africa 85.2%, US (2006) | US 29%, Trinidad and Tobago 18%, Netherlands Antilles 16%, UK 7%, Japan (1999) |
Independence | 21 March 1990 (from South African mandate) | 26 May 1966 (from UK) |
Industrial production growth rate | NA% | 7.1% (1997 est.) |
Industries | meatpacking, fish processing, dairy products; mining (diamonds, lead, zinc, tin, silver, tungsten, uranium, copper) | bauxite, sugar, rice milling, timber, fishing (shrimp), textiles, gold mining |
Infant mortality rate | total: 47.23 deaths/1,000 live births
male: 51.03 deaths/1,000 live births female: 43.33 deaths/1,000 live births (2007 est.) |
38.72 deaths/1,000 live births (2001 est.) |
Inflation rate (consumer prices) | 5.1% (2006 est.) | 5.9% (2000 est.) |
International organization participation | ACP, AfDB, AU, C, FAO, G-77, IAEA, IBRD, ICAO, ICCt, ICRM, IFAD, IFC, IFRCS, ILO, IMF, IMO, Interpol, IOC, IOM (observer), IPU, ISO (correspondent), ITSO, ITU, MIGA, NAM, ONUB, OPCW, SACU, SADC, UN, UNCTAD, UNESCO, UNHCR, UNIDO, UNMEE, UNMIL, UNMIS, UNOCI, UNWTO, UPU, WCL, WCO, WHO, WIPO, WMO, WTO | ACP, C, Caricom, CCC, CDB, ECLAC, FAO, G-77, IADB, IBRD, ICAO, ICFTU, ICRM, IDA, IFAD, IFC, IFRCS, ILO, IMF, IMO, Intelsat (nonsignatory user), Interpol, IOC, ISO (subscriber), ITU, LAES, NAM, OAS, OIC, OPANAL, OPCW, PCA, UN, UNCTAD, UNESCO, UNIDO, UPU, WCL, WFTU, WHO, WIPO, WMO, WTrO |
Internet Service Providers (ISPs) | - | 3 (2000) |
Irrigated land | 80 sq km (2003) | 1,300 sq km (1993 est.) |
Judicial branch | Supreme Court (judges appointed by the president on the recommendation of the Judicial Service Commission) | Supreme Court of Judicature; Judicial Court of Appeal; High Court |
Labor force | 657,000 (2006 est.) | 245,492 (1992) |
Labor force - by occupation | agriculture: 47%
industry: 20% services: 33% (1999 est.) |
agriculture NA%, industry NA%, services NA% |
Land boundaries | total: 3,936 km
border countries: Angola 1,376 km, Botswana 1,360 km, South Africa 967 km, Zambia 233 km |
total:
2,462 km border countries: Brazil 1,119 km, Suriname 600 km, Venezuela 743 km |
Land use | arable land: 0.99%
permanent crops: 0.01% other: 99% (2005) |
arable land:
2% permanent crops: 0% permanent pastures: 6% forests and woodland: 84% other: 8% (1993 est.) |
Languages | English 7% (official), Afrikaans common language of most of the population and about 60% of the white population, German 32%, indigenous languages 1% (includes Oshivambo, Herero, Nama) | English, Amerindian dialects, Creole, Hindi, Urdu |
Legal system | based on Roman-Dutch law and 1990 constitution | based on English common law with certain admixtures of Roman-Dutch law; has not accepted compulsory ICJ jurisdiction |
Legislative branch | bicameral legislature consists of the National Council (26 seats; two members are chosen from each regional council to serve six-year terms) and the National Assembly (72 seats; members are elected by popular vote to serve five-year terms)
elections: National Council - elections for regional councils to determine members of the National Council held 29-30 November 2004 (next to be held in November 2010); National Assembly - last held 15-16 November 2004 (next to be held in November 2009) election results: National Council - percent of vote by party - SWAPO 89.7%, UDF 4.7%, NUDO 2.8%, DTA 1.9%, other 0.9%; seats by party - SWAPO 24, UDF 1, DTA 1; National Assembly - percent of vote by party - SWAPO 76.1%, COD 7.3%, DTA 5.1%, NUDO 4.2%, UDF 3.6%, RP 1.9%, MAG 0.8%, other 1.0%; seats by party - SWAPO 55, COD 5, DTA 4, NUDO 3, UDF 3, RP 1, MAG 1 note: the National Council is primarily an advisory body |
unicameral National Assembly (65 seats, 53 elected by popular vote, 10 elected by the ten Regional Democratic Councils, and 2 elected by the National Congress of Local Democratic Organs; members serve five-year terms)
elections: last held 19 March 2001 (next to be held NA March 2006) election results: percent of vote by party - NA%; seats by party - PPP/C 34, PNC 27, GAP and WPA 2, ROAR 1, TUF 1 |
Life expectancy at birth | total population: 43.11 years
male: 44.39 years female: 41.79 years (2007 est.) |
total population:
63.31 years male: 60.52 years female: 66.24 years (2001 est.) |
Literacy | definition: age 15 and over can read and write
total population: 85% male: 86.8% female: 83.5% (2001 census) |
definition:
age 15 and over has ever attended school total population: 98.1% male: 98.6% female: 97.5% (1995 est.) |
Location | Southern Africa, bordering the South Atlantic Ocean, between Angola and South Africa | Northern South America, bordering the North Atlantic Ocean, between Suriname and Venezuela |
Map references | Africa | South America |
Maritime claims | territorial sea: 12 nm
contiguous zone: 24 nm exclusive economic zone: 200 nm |
continental shelf:
200 NM or to the outer edge of the continental margin exclusive economic zone: 200 NM territorial sea: 12 NM |
Merchant marine | total: 1 ship (1000 GRT or over) 2,265 GRT/3,605 DWT
by type: cargo 1 (2007) |
total:
2 ships (1,000 GRT or over) totaling 2,929 GRT/4,507 DWT ships by type: cargo 2 (2000 est.) |
Military branches | Namibian Defense Force: Army, Navy, Air Wing (2006) | Guyana Defense Force (GDF; includes Ground Forces, Coast Guard, and Air Corps), Guyana People's Militia (GPM), Guyana National Service (GNS), Guyana Police Force |
Military expenditures - dollar figure | - | $7 million (FY94) |
Military expenditures - percent of GDP | 3.7% (2006) | 1.7% (FY94) |
Military manpower - availability | - | males age 15-49:
204,938 (2001 est.) |
Military manpower - fit for military service | - | males age 15-49:
154,259 (2001 est.) |
National holiday | Independence Day, 21 March (1990) | Republic Day, 23 February (1970) |
Nationality | noun: Namibian(s)
adjective: Namibian |
noun:
Guyanese (singular and plural) adjective: Guyanese |
Natural hazards | prolonged periods of drought | flash floods are a constant threat during rainy seasons |
Natural resources | diamonds, copper, uranium, gold, silver, lead, tin, lithium, cadmium, tungsten, zinc, salt, hydropower, fish
note: suspected deposits of oil, coal, and iron ore |
bauxite, gold, diamonds, hardwood timber, shrimp, fish |
Net migration rate | 0.41 migrant(s)/1,000 population (2007 est.) | -8.38 migrant(s)/1,000 population (2001 est.) |
Political parties and leaders | Congress of Democrats or COD [Ben ULENGA]; Democratic Turnhalle Alliance of Namibia or DTA [Katuutire KAURA]; Monitor Action Group or MAG [Jurie VILJOEN]; National Democratic Movement for Change or NamDMC; National Unity Democratic Organization or NUDO [Kuaima RIRUAKO]; Republican Party or RP [Henk MUDGE]; South West Africa National Union or SWANU [Rihupisa KANDANDO]; South West Africa People's Organization or SWAPO [Sam Shafishuna NUJOMA]; United Democratic Front or UDF [Justus GAROEB] | Alliance for Guyana or AFG (includes Guyana Labor Party or GLP and Working People's Alliance or WPA [Rupert ROOPNARINE]; Guyana Action Party or GAP [leader NA]; Guyana Labor Party or GLP [leader NA]; People's National Congress or PNC [Hugh Desmond HOYTE]; People's Progressive Party or PPP [Janet JAGEN]; Rise, Organize and Rebuild or ROAR [Ravi DEV]; The United Force or TUF [Manzoor NADIR]; Working People's Alliance or WPA [Rupert ROOPARNINE] |
Political pressure groups and leaders | NA | Civil Liberties Action Committee or CLAC; Guyana Council of Indian Organizations or GCIO; Rise, Organize and Rebuild or ROAR [Ravi DEV]; Trades Union Congress or TUC
note: the GCIO and the CLAC are small and active but not well organized |
Population | 2,055,080
note: estimates for this country explicitly take into account the effects of excess mortality due to AIDS; this can result in lower life expectancy, higher infant mortality and death rates, lower population and growth rates, and changes in the distribution of population by age and sex than would otherwise be expected (July 2007 est.) |
697,181
note: estimates for this country explicitly take into account the effects of excess mortality due to AIDS; this can result in lower life expectancy, higher infant mortality and death rates, lower population and growth rates, and changes in the distribution of population by age and sex than would otherwise be expected (July 2001 est.) |
Population below poverty line | the UNDP's 2005 Human Development Report indicated that 34.9% of the population live on $1 per day and 55.8% live on $2 per day | NA% |
Population growth rate | 0.478% (2007 est.) | 0.07% (2001 est.) |
Ports and harbors | - | Bartica, Georgetown, Linden, New Amsterdam, Parika |
Radio broadcast stations | AM 2, FM 39, shortwave 4 (2001) | AM 3, FM 3, shortwave 1 (1998) |
Radios | - | 420,000 (1997) |
Railways | total: 2,382 km
narrow gauge: 2,382 km 1.067-m gauge (2006) |
total:
187 km (all dedicated to ore transport) standard gauge: 139 km 1.435-m gauge narrow gauge: 48 km 0.914-m gauge |
Religions | Christian 80% to 90% (Lutheran 50% at least), indigenous beliefs 10% to 20% | Christian 50%, Hindu 33%, Muslim 9%, other 8% |
Sex ratio | at birth: 1.03 male(s)/female
under 15 years: 1.018 male(s)/female 15-64 years: 1.015 male(s)/female 65 years and over: 0.827 male(s)/female total population: 1.008 male(s)/female (2007 est.) |
at birth:
1.05 male(s)/female under 15 years: 1.04 male(s)/female 15-64 years: 1.02 male(s)/female 65 years and over: 0.81 male(s)/female total population: 1.01 male(s)/female (2001 est.) |
Suffrage | 18 years of age; universal | 18 years of age; universal |
Telephone system | general assessment: good system; about 6 telephones for each 100 persons
domestic: good urban services; fair rural service; microwave radio relay links major towns; connections to other populated places are by open wire; 100% digital international: country code - 264; fiber-optic cable to South Africa, microwave radio relay link to Botswana, direct links to other neighboring countries; connected to Africa ONE and South African Far East (SAFE) submarine cables through South Africa; satellite earth stations - 4 Intelsat (2002) |
general assessment:
fair system for long-distance calling domestic: microwave radio relay network for trunk lines international: tropospheric scatter to Trinidad; satellite earth station - 1 Intelsat (Atlantic Ocean) |
Telephones - main lines in use | 138,900 (2005) | 70,000 (2000) |
Telephones - mobile cellular | 495,000 (2005) | 6,100 (2000) |
Television broadcast stations | 8 (plus about 20 repeaters) (1997) | 3 (one public station; two private stations which relay US satellite services) (1997) |
Terrain | mostly high plateau; Namib Desert along coast; Kalahari Desert in east | mostly rolling highlands; low coastal plain; savanna in south |
Total fertility rate | 2.94 children born/woman (2007 est.) | 2.1 children born/woman (2001 est.) |
Unemployment rate | 5.3% (2006 est.) | 12% (1992 est.) |
Waterways | - | 5,900 km (total length of navigable waterways)
note: Berbice, Demerara, and Essequibo rivers are navigable by oceangoing vessels for 150 km, 100 km, and 80 km, respectively |