Footnotes  
a    Projected estimate (medium fertility variant).
b    2022
c    African Financial Community (CFA) Franc, Bank of Central African States (BEAC).
d    2019
e    2023
f    Estimate.
g    Brazzaville
h    2021
i    Data refers to a 5-year period preceding the reference year.
j    Calculated by the UN Statistics Division.
k    Including refugees.
l    Data based on calendar year (January 1 to December 31).
m    2011
n    2018
o    2012
p    2014
q    Data are as at 1 January of reporting year.
r    Higher Education only.
s    Overestimated or based on overestimated data.
t    Provisional data.