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    2019
f    Estimate.
g    For Cotonou only.
h    2016
i    Data refers to a 5-year period preceding the reference year.
j    Refers to foreign citizens.
k    Including refugees.
l    Data as at the end of December.
m    2013
n    Data are as at 1 January of reporting year.
o    Population aged 18 years and over.