Government type Semi-presidential republic
Area 1,267,000 km² (489,191 sq mi)
Population 17,139,000 inh. (2012 census)
Population 28,815,000 inh. (2026 est.)
Population density 23 inh/km² (59 inh/mi²)
Capital Niamey (1,329,000 pop.)
Currency West African CFA franc
Human development index 0.419 (188th place)
Languages French (official), Hausa, Zarma-Songhai and other regional languages
Life expectancy M 61 years, F 63 years