B31
B32
B41
B42:Burkina Faso(ブルキナファソ)
B43
population :
31,047,000 (2009)
***
1.Burkina Faso(BF)15,757,000
2.Niger(NE)15,290,000
***
major city :
Kano
Kaduna
Niamey
B51
B52
B53