Author: 

Razia Khan, Head of Africa Research, Standard Chartered bank

Additional author info: 

Razia Khan is Head of Africa Research at Standard Chartered bank

Federal Republic of Nigeria

Population: 140,000,000 (2006 Census), 170,000,000 (2012 estimate), GDP per Capita: $1,725.00, Official language: English, Capital: Abuja, Largest City: Lagos, Area: 923,768 km2, Independence: From UK, 1 October 1960

Photo: National Geographic/Getty Images

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