Papua New Guinea (2002) | Niger (2007) | |
Administrative divisions | 20 provinces; Bougainville, Central, Chimbu, Eastern Highlands, East New Britain, East Sepik, Enga, Gulf, Madang, Manus, Milne Bay, Morobe, National Capital, New Ireland, Northern, Sandaun, Southern Highlands, Western, Western Highlands, West New Britain | 8 regions (regions, singular - region) includes 1 capital district* (communite urbaine); Agadez, Diffa, Dosso, Maradi, Niamey*, Tahoua, Tillaberi, Zinder |
Age structure | 0-14 years: 38.6% (male 1,013,936; female 980,841)
15-64 years: 57.7% (male 1,544,650; female 1,440,628) 65 years and over: 3.7% (male 90,661; female 101,317) (2002 est.) |
0-14 years: 46.9% (male 3,083,871/female 2,969,201)
15-64 years: 50.6% (male 3,354,783/female 3,174,039) 65 years and over: 2.4% (male 155,430/female 157,541) (2007 est.) |
Agriculture - products | coffee, cocoa, coconuts, palm kernels, tea, rubber, sweet potatoes, fruit, vegetables; poultry, pork | cowpeas, cotton, peanuts, millet, sorghum, cassava (tapioca), rice; cattle, sheep, goats, camels, donkeys, horses, poultry |
Airports | 490 (2001) | 28 (2007) |
Airports - with paved runways | total: 21
2,438 to 3,047 m: 2 1,524 to 2,437 m: 14 914 to 1,523 m: 4 under 914 m: 1 (2002) |
total: 9
2,438 to 3,047 m: 3 1,524 to 2,437 m: 5 under 914 m: 1 (2007) |
Airports - with unpaved runways | total: 470
1,524 to 2,437 m: 11 914 to 1,523 m: 56 under 914 m: 403 (2002) |
total: 19
1,524 to 2,437 m: 2 914 to 1,523 m: 14 under 914 m: 3 (2007) |
Area | total: 462,840 sq km
land: 452,860 sq km water: 9,980 sq km |
total: 1.267 million sq km
land: 1,266,700 sq km water: 300 sq km |
Area - comparative | slightly larger than California | slightly less than twice the size of Texas |
Background | The eastern half of the island of New Guinea - second largest in the world - was divided between Germany (north) and the UK (south) in 1885. The latter area was transferred to Australia in 1902, which occupied the northern portion during World War I and continued to administer the combined areas until independence in 1975. A nine-year secessionist revolt on the island of Bougainville ended in 1997, after claiming some 20,000 lives. | Niger became independent from France in 1960 and experienced single-party and military rule until 1991, when Gen. Ali SAIBOU was forced by public pressure to allow multiparty elections, which resulted in a democratic government in 1993. Political infighting brought the government to a standstill and in 1996 led to a coup by Col. Ibrahim BARE. In 1999 BARE was killed in a coup by military officers who promptly restored democratic rule and held elections that brought Mamadou TANDJA to power in December of that year. TANDJA was reelected in 2004. Niger is one of the poorest countries in the world with minimal government services and insufficient funds to develop its resource base. The largely agrarian and subsistence-based economy is frequently disrupted by extended droughts common to the Sahel region of Africa. |
Birth rate | 31.61 births/1,000 population (2002 est.) | 50.16 births/1,000 population (2007 est.) |
Budget | revenues: $894 million
expenditures: $1.1 billion, including capital expenditures of $344 million (2000 est.) |
revenues: $320 million (includes $134 million from foreign sources)
expenditures: $320 million (2002 est.) |
Capital | Port Moresby | name: Niamey
geographic coordinates: 13 31 N, 2 07 E time difference: UTC+1 (6 hours ahead of Washington, DC during Standard Time) |
Climate | tropical; northwest monsoon (December to March), southeast monsoon (May to October); slight seasonal temperature variation | desert; mostly hot, dry, dusty; tropical in extreme south |
Coastline | 5,152 km | 0 km (landlocked) |
Constitution | 16 September 1975 | new constitution adopted 18 July 1999 |
Country name | conventional long form: Independent State of Papua New Guinea
conventional short form: Papua New Guinea former: Territory of Papua and New Guinea abbreviation: PNG |
conventional long form: Republic of Niger
conventional short form: Niger local long form: Republique du Niger local short form: Niger |
Currency | kina (PGK) | - |
Death rate | 7.75 deaths/1,000 population (2002 est.) | 20.59 deaths/1,000 population (2007 est.) |
Debt - external | $2.6 billion (2000 est.) | $2.1 billion (2003 est.) |
Diplomatic representation from the US | chief of mission: Ambassador Susan S. JACOBS
embassy: Douglas Street (adjacent to the Bank of Papua New Guinea), Port Moresby mailing address: P. O. Box 1492, Port Moresby, HCD121 telephone: [675] 321-1455 FAX: [675] 321-1593 |
chief of mission: Ambassador Bernadette M. ALLEN
embassy: Rue Des Ambassades, Niamey mailing address: B. P. 11201, Niamey telephone: [227] 20-73-31-69 FAX: [227] 20-73-55-60 |
Diplomatic representation in the US | chief of mission: Ambassador Nagora Y. BOGAN
chancery: 1779 Massachusetts Avenue NW, Suite 805, Washington, DC 20036 telephone: [1] (202) 745-3680 FAX: [1] (202) 745-3679 |
chief of mission: Ambassador Aminata Djibrilla Maiga TOURE
chancery: 2204 R Street NW, Washington, DC 20008 telephone: [1] (202) 483-4224 through 4227 FAX: [1] (202)483-3169 |
Disputes - international | none | Libya claims about 25,000 sq km in a currently dormant dispute in the Tommo region; much of Benin-Niger boundary, including tripoint with Nigeria, remains undemarcated; only Nigeria and Cameroon have heeded the Lake Chad Commission's admonition to ratify the delimitation treaty which also includes the Chad-Niger and Niger-Nigeria boundaries |
Economic aid - recipient | $400 million (1999 est.) | $515.4 million (2005) |
Economy - overview | Papua New Guinea is richly endowed with natural resources, but exploitation has been hampered by rugged terrain and the high cost of developing infrastructure. Agriculture provides a subsistence livelihood for 85% of the population. Mineral deposits, including oil, copper, and gold, account for 72% of export earnings. The economy has declined over the past two years and will probably continue to falter in 2002. Prime Minister Mekere MORAUTA has tried to restore integrity to state institutions, stabilize the kina, restore stability to the national budget, privatize public enterprises where appropriate, and ensure ongoing peace on Bougainville. The government has had considerable success in attracting international support, specifically gaining the support of the IMF and the World Bank in securing development assistance loans. Significant challenges remain for MORAUTA, however, including gaining further investor confidence, specifically for the proposed Papua New Guinea-Australia oil pipeline, continuing efforts to privatize government assets, and maintaining the support of members of Parliament. | Niger is one of the poorest countries in the world, ranking last on the United Nations Development Fund index of human development. It is a landlocked, Sub-Saharan nation, whose economy centers on subsistence crops, livestock, and some of the world's largest uranium deposits. Drought cycles, desertification, and a 2.9% population growth rate, have undercut the economy. Niger shares a common currency, the CFA franc, and a common central bank, the Central Bank of West African States (BCEAO), with seven other members of the West African Monetary Union. In December 2000, Niger qualified for enhanced debt relief under the International Monetary Fund program for Highly Indebted Poor Countries (HIPC) and concluded an agreement with the Fund on a Poverty Reduction and Growth Facility (PRGF). Debt relief provided under the enhanced HIPC initiative significantly reduces Niger's annual debt service obligations, freeing funds for expenditures on basic health care, primary education, HIV/AIDS prevention, rural infrastructure, and other programs geared at poverty reduction. In December 2005, Niger received 100% multilateral debt relief from the IMF, which translates into the forgiveness of approximately US $86 million in debts to the IMF, excluding the remaining assistance under HIPC. Nearly half of the government's budget is derived from foreign donor resources. Future growth may be sustained by exploitation of oil, gold, coal, and other mineral resources. Uranium prices have increased sharply in the last few years. A drought and locust infestation in 2005 led to food shortages for as many as 2.5 million Nigeriens. |
Electricity - consumption | 1.535 billion kWh (2000) | 437.7 million kWh (2005) |
Electricity - exports | 0 kWh (2000) | 0 kWh (2005) |
Electricity - imports | 0 kWh (2000) | 220 million kWh (2005) |
Electricity - production | 1.65 billion kWh (2000) | 234.1 million kWh (2005) |
Electricity - production by source | fossil fuel: 55%
hydro: 45% nuclear: 0% other: 0% (2000) |
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Elevation extremes | lowest point: Pacific Ocean 0 m
highest point: Mount Wilhelm 4,509 m |
lowest point: Niger River 200 m
highest point: Mont Bagzane 2,022 m |
Environment - current issues | rain forest subject to deforestation as a result of growing commercial demand for tropical timber; pollution from mining projects; severe drought | overgrazing; soil erosion; deforestation; desertification; wildlife populations (such as elephant, hippopotamus, giraffe, and lion) threatened because of poaching and habitat destruction |
Environment - international agreements | party to: Antarctic Treaty, Biodiversity, Climate Change, Desertification, Endangered Species, Environmental Modification, Hazardous Wastes, Law of the Sea, Marine Dumping, Nuclear Test Ban, Ozone Layer Protection, Ship Pollution, Tropical Timber 83, Tropical Timber 94, Wetlands
signed, but not ratified: Antarctic-Environmental Protocol, Climate Change-Kyoto Protocol |
party to: Biodiversity, Climate Change, Climate Change-Kyoto Protocol, Desertification, Endangered Species, Environmental Modification, Hazardous Wastes, Ozone Layer Protection, Wetlands
signed, but not ratified: Law of the Sea |
Ethnic groups | Melanesian, Papuan, Negrito, Micronesian, Polynesian | Haoussa 55.4%, Djerma Sonrai 21%, Touareg 9.3%, Peuhl 8.5%, Kanouri Manga 4.7%, other 1.2% (2001 census) |
Exchange rates | kina per US dollar - 3.706 (January 2002), 3.374 (2001), 2.765 (2000), 2.539 (1999), 2.058 (1998), 1.434 (1997) | Communaute Financiere Africaine francs (XOF) per US dollar - 522.59 (2006), 527.47 (2005), 528.29 (2004), 581.2 (2003), 696.99 (2002) |
Executive branch | chief of state: Queen ELIZABETH II (since 6 February 1952), represented by Governor General Sir Silas ATOPARE (since 13 November 1997)
head of government: Prime Minister Sir Michael SOMARE (since NA August 2002); Deputy Prime Minister Allan MARAT (since NA August 2002) cabinet: National Executive Council appointed by the governor general on the recommendation of the prime minister elections: none; the monarch is hereditary; governor general appointed by the National Executive Council; following legislative elections, the leader of the majority party or the leader of the majority coalition usually is appointed prime minister by the governor general |
chief of state: President Mamadou TANDJA (since 22 December 1999); note - the president is both chief of state and head of government
head of government: President Mamadou TANDJA (since 22 December 1999); Prime Minister Seyni OUMAROU (since 3 June 2007) was appointed by the president and shares some executive responsibilities with the president cabinet: 26-member Cabinet appointed by the president elections: president elected by popular vote for a five-year term (eligible for a second term); second round of election last held 4 December 2004 (next to be held December 2009) election results: Mamadou TANDJA reelected president; percent of vote - Mamadou TANDJA 65.5%, Mahamadou ISSOUFOU 34.5% |
Exports | $1.8 billion f.o.b. (2001 est.) | NA bbl/day |
Exports - commodities | oil, gold, copper ore, logs, palm oil, coffee, cocoa, crayfish, prawns | uranium ore, livestock, cowpeas, onions |
Exports - partners | Australia 30%, Japan 11%, China 6%, Germany 4%, South Korea 4%, UK 3%, Philippines 1%, US 1% (2000) | France 34.8%, US 26.6%, Nigeria 18.3%, Russia 11.3% (2006) |
Fiscal year | calendar year | calendar year |
Flag description | divided diagonally from upper hoist-side corner; the upper triangle is red with a soaring yellow bird of paradise centered; the lower triangle is black with five, white, five-pointed stars of the Southern Cross constellation centered | three equal horizontal bands of orange (top), white, and green with a small orange disk (representing the sun) centered in the white band; similar to the flag of India, which has a blue spoked wheel centered in the white band |
GDP | purchasing power parity - $12.2 billion (2001 est.) | - |
GDP - composition by sector | agriculture: 30%
industry: 37% services: 33% (2000 est.) |
agriculture: 39%
industry: 17% services: 44% (2001) |
GDP - per capita | purchasing power parity - $2,400 (2001 est.) | - |
GDP - real growth rate | -2.5% (2001 est.) | 3.5% (2006 est.) |
Geographic coordinates | 6 00 S, 147 00 E | 16 00 N, 8 00 E |
Geography - note | shares island of New Guinea with Indonesia; one of world's largest swamps along southwest coast | landlocked; one of the hottest countries in the world; northern four-fifths is desert, southern one-fifth is savanna, suitable for livestock and limited agriculture |
Heliports | 2 (2002) | - |
Highways | total: 19,600 km
paved: 686 km unpaved: 18,914 km (1996) |
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Household income or consumption by percentage share | lowest 10%: 2%
highest 10%: 41% (1996) (1996) |
lowest 10%: 0.8%
highest 10%: 35.4% (1995) |
Imports | $1.024 billion f.o.b. (2001 est.) | NA bbl/day |
Imports - commodities | machinery and transport equipment, manufactured goods, food, fuels, chemicals | foodstuffs, machinery, vehicles and parts, petroleum, cereals |
Imports - partners | Australia 50%, Singapore 20%, Japan 4%, NZ 4%, Indonesia 3%, Malaysia 3%, US 2% (2000) | US 14%, France 12%, China 7.8%, Nigeria 7.7%, French Polynesia 7.6%, Cote d'Ivoire 4.9% (2006) |
Independence | 16 September 1975 (from the Australian-administered UN trusteeship) | 3 August 1960 (from France) |
Industrial production growth rate | NA% | 5.1% (2003 est.) |
Industries | copra crushing, palm oil processing, plywood production, wood chip production; mining of gold, silver, and copper; crude oil production; construction, tourism | uranium mining, cement, brick, soap, textiles, food processing, chemicals, slaughterhouses |
Infant mortality rate | 56.53 deaths/1,000 live births (2002 est.) | total: 116.83 deaths/1,000 live births
male: 120.78 deaths/1,000 live births female: 112.76 deaths/1,000 live births (2007 est.) |
Inflation rate (consumer prices) | 10.3% (2001 est.) | 0.2% (2004 est.) |
International organization participation | ACP, APEC, ARF (dialogue partner), AsDB, ASEAN (associate member), C, CP, ESCAP, FAO, G-77, IBRD, ICAO, ICFTU, ICRM, IDA, IFAD, IFC, IFRCS, IHO, ILO, IMF, IMO, Interpol, IOC, IOM (observer), ISO (correspondent), ITU, NAM, OPCW, Sparteca, SPC, SPF, UN, UNCTAD, UNESCO, UNIDO, UPU, WFTU, WHO, WIPO, WMO, WTrO | ACCT, ACP, AfDB, AU, ECOWAS, Entente, FAO, FZ, G-77, IAEA, IBRD, ICAO, ICCt, ICRM, IDA, IDB, IFAD, IFC, IFRCS, ILO, IMF, Interpol, IOC, IOM, IPU, ISO (correspondent), ITSO, ITU, ITUC, MONUC, NAM, OIC, OIF, ONUB, OPCW, UN, UNCTAD, UNESCO, UNIDO, UNMIL, UNOCI, UNWTO, UPU, WADB (regional), WAEMU, WCL, WCO, WFTU, WHO, WIPO, WMO, WTO |
Internet Service Providers (ISPs) | 3 (2000) | - |
Irrigated land | NA sq km | 730 sq km (2003) |
Judicial branch | Supreme Court (the chief justice is appointed by the governor general on the proposal of the National Executive Council after consultation with the minister responsible for justice; other judges are appointed by the Judicial and Legal Services Commission) | State Court or Cour d'Etat; Court of Appeals or Cour d'Appel |
Labor force | 2.3 million (1999) | 70,000 salaried workers, 60% of whom are employed in the public sector (2002 est.) |
Labor force - by occupation | agriculture 85%, industry NA%, services NA% | agriculture: 90%
industry: 6% services: 4% (1995) |
Land boundaries | total: 820 km
border countries: Indonesia 820 km |
total: 5,697 km
border countries: Algeria 956 km, Benin 266 km, Burkina Faso 628 km, Chad 1,175 km, Libya 354 km, Mali 821 km, Nigeria 1,497 km |
Land use | arable land: 0.13%
permanent crops: 1.35% other: 98.52% (1998 est.) |
arable land: 11.43%
permanent crops: 0.01% other: 88.56% (2005) |
Languages | English spoken by 1%-2%, pidgin English widespread, Motu spoken in Papua region
note: 715 indigenous languages |
French (official), Hausa, Djerma |
Legal system | based on English common law | based on French civil law system and customary law; has not accepted compulsory ICJ jurisdiction |
Legislative branch | unicameral National Parliament - sometimes referred to as the House of Assembly (109 seats, 89 elected from open electorates and 20 from provincial electorates; members elected by popular vote to serve five-year terms)
elections: last held 14-28 June 1997 (next to be held 15 June 2002) election results: percent of vote by party - PPP 15%, Pangu Pati 14%, NA 14%, PDM 8%, PNC 6%, PAP 5%, UP 3%, NP 1%, PUP 1%, independents 33%; seats by party - PPP 16, Pangu Pati 15, NA 15, PDM 9, PNC 7, PAP 5, UP 3, NP 1, PUP 1, independents 37; note - association with political parties is very fluid |
unicameral National Assembly (113 seats; members elected by popular vote to serve five-year terms)
elections: last held 4 December 2004 (next to be held in December 2009) election results: percent of vote by party - NA; seats by party - MNSD 47, PNDS 25, CDS 22, RSD 7, RDP 6, ANDP 5, PSDN 1 |
Life expectancy at birth | total population: 63.83 years
male: 61.73 years female: 66.03 years (2002 est.) |
total population: 44.03 years
male: 44.05 years female: 44 years (2007 est.) |
Literacy | definition: age 15 and over can read and write
total population: 64.5% male: 72% female: 57% (2000) |
definition: age 15 and over can read and write
total population: 28.7% male: 42.9% female: 15.1% (2005 est.) |
Location | Southeastern Asia, group of islands including the eastern half of the island of New Guinea between the Coral Sea and the South Pacific Ocean, east of Indonesia | Western Africa, southeast of Algeria |
Map references | Oceania | Africa |
Maritime claims | measured from claimed archipelagic baselines
continental shelf: 200-m depth or to the depth of exploitation exclusive fishing zone: 200 NM territorial sea: 12 NM |
none (landlocked) |
Merchant marine | total: 22 ships (1,000 GRT or over) totaling 40,911 GRT/58,723 DWT
ships by type: bulk 1, cargo 10, chemical tanker 1, combination ore/oil 3, container 1, petroleum tanker 3, roll on/roll off 3 note: includes some foreign-owned ships registered here as a flag of convenience: Singapore 2, United Kingdom 7 (2002 est.) |
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Military branches | Papua New Guinea Defense Force (includes Ground Force, Maritime Operations Element, and Air Operations Element) | Nigerien Armed Forces (Forces Armees Nigeriennes, FAN): Army, Niger Air Force (2007) |
Military expenditures - dollar figure | $42 million (FY98) | - |
Military expenditures - percent of GDP | 1% (FY98) | 1.3% (2006) |
Military manpower - availability | males age 15-49: 1,338,003 (2002 est.) | - |
Military manpower - fit for military service | males age 15-49: 740,085 (2002 est.) | - |
National holiday | Independence Day, 16 September (1975) | Republic Day, 18 December (1958) |
Nationality | noun: Papua New Guinean(s)
adjective: Papua New Guinean |
noun: Nigerien(s)
adjective: Nigerien |
Natural hazards | active volcanism; situated along the Pacific "Ring of Fire"; the country is subject to frequent and sometimes severe earthquakes; mud slides; tsunamis | recurring droughts |
Natural resources | gold, copper, silver, natural gas, timber, oil, fisheries | uranium, coal, iron ore, tin, phosphates, gold, molybdenum, gypsum, salt, petroleum |
Net migration rate | 0 migrant(s)/1,000 population (2002 est.) | -0.59 migrant(s)/1,000 population (2007 est.) |
Political parties and leaders | Melanesian Alliance Party or MAP [leader NA]; National Alliance or NA [George MANDA, party president]; National Front Party [leader NA]; National Party or NP [Michael MEL]; Papua New Guinea Revival Party [John PUNDARI]; Papua New Guinea United Party or Pangu Pati [Chris HAIVETA]; People's Action Party or PAP [Ted DIRO]; People's Democratic Movement or PDM [Sir Mekere MORAUTA]; People's Labor Party or PLP [Peter YAMA]; People's National Congress or PNC [Bill SKATE]; People's Progress Party or PPP [Michael NALI]; People's Unity Party or PUP [Alfred KAIABE]; United Party or UP [Rimbiuk PATO]
note: more than 40 political parties have registered to participate in the June 2002 elections |
Democratic and Social Convention-Rahama or CDS-Rahama [Mahamane OUSMANE]; National Movement for a Developing Society-Nassara or MNSD-Nassara [Hama AMADOU]; Niger Social Democratic Party or PSDN; Nigerien Alliance for Democracy and Social Progress-Zaman Lahiya or ANDP-Zaman Lahiya [Moumouni DJERMAKOYE]; Nigerien Party for Autonomy or PNA-Alouma'a [Sanousi JACKOU]; Nigerien Party for Democracy and Socialism or PNDS-Tarrayya [Issifou MAHAMADOU]; Nigerien Progressive Party or PPN-RDA [Abdoulaye DIORI]; Rally for Democracy and Progress or RDP-jama'a [Hamid ALGABID]; Social and Democratic Rally or RSD-Gaskiyya [Cheiffou AMADOU] |
Political pressure groups and leaders | NA | Coalition Against a High Cost of Living [Nouhou ARZIKA] |
Population | 5,172,033 (July 2002 est.) | 12,894,865 (July 2007 est.) |
Population below poverty line | 37% | 63% (1993 est.) |
Population growth rate | 2.39% (2002 est.) | 2.898% (2007 est.) |
Ports and harbors | Kieta, Lae, Madang, Port Moresby, Rabaul | - |
Radio broadcast stations | AM 8, FM 19, shortwave 28 (1998) | AM 5, FM 6, shortwave 4 (2001) |
Radios | 410,000 (1997) | - |
Railways | 0 km | - |
Religions | Roman Catholic 22%, Lutheran 16%, Presbyterian/Methodist/London Missionary Society 8%, Anglican 5%, Evangelical Alliance 4%, Seventh-Day Adventist 1%, other Protestant 10%, indigenous beliefs 34% | Muslim 80%, other (includes indigenous beliefs and Christian) 20% |
Sex ratio | at birth: 1.05 male(s)/female
under 15 years: 1.03 male(s)/female 15-64 years: 1.07 male(s)/female 65 years and over: 0.9 male(s)/female total population: 1.05 male(s)/female (2002 est.) |
at birth: 1.03 male(s)/female
under 15 years: 1.039 male(s)/female 15-64 years: 1.057 male(s)/female 65 years and over: 0.987 male(s)/female total population: 1.047 male(s)/female (2007 est.) |
Suffrage | 18 years of age; universal | 18 years of age; universal |
Telephone system | general assessment: services are adequate and being improved; facilities provide radiotelephone and telegraph, coastal radio, aeronautical radio, and international radio communication services
domestic: mostly radiotelephone international: submarine cables to Australia and Guam; satellite earth station - 1 Intelsat (Pacific Ocean); international radio communication service |
general assessment: small system of wire, radio telephone communications, and microwave radio relay links concentrated in the southwestern area of Niger
domestic: wire, radiotelephone communications, and microwave radio relay; domestic satellite system with 3 earth stations and 1 planned international: country code - 227; satellite earth stations - 2 Intelsat (1 Atlantic Ocean and 1 Indian Ocean) |
Telephones - main lines in use | 61,152 (1999) | 24,000 (2005) |
Telephones - mobile cellular | 3,053 (1996) | 323,900 (2005) |
Television broadcast stations | 3 (all in the Port Moresby area)
note: additional stations at Mt. Hagen, Goroka, Lae, and Rabaul are planned (2002) |
3 (plus 7 repeaters) (2002) |
Terrain | mostly mountains with coastal lowlands and rolling foothills | predominately desert plains and sand dunes; flat to rolling plains in south; hills in north |
Total fertility rate | 4.21 children born/woman (2002 est.) | 7.37 children born/woman (2007 est.) |
Unemployment rate | NA% | NA% |
Waterways | 10,940 km | 300 km (the Niger, the only major river, is navigable to Gaya between September and March) (2005) |