a    2017
b    Porto-Novo is the constitutional capital and Cotonou is the economic capital.
c    African Financial Community (CFA) Franc, Central Bank of West African States (BCEAO).
d    2018
e    Estimate.
f    Cotonou
g    Provisional data.
h    2016
i    Data classified according to ISIC Rev. 3.
j    Country data supplemented with data from the Observatoire Economique et Statistique d’Afrique Subsaharienne (Afristat).
k    2013
l    Data refers to a 5-year period preceding the reference year.
m    2015
n    Including refugees.
o    Refers to foreign citizens.
p    Data as at the end of December.
q    2004
r    2008
s    2001
t    2014