a    Projected estimate (medium fertility variant).
b    2019
c    Refers to Greater Cairo as the sum of the Governorate of Al-Qahirah (Cairo) and the surrounding districts of the Governorates of Al-Jizah (Giza) and Al-Qalyübyah (Qalyubia).
d    2020
e    At factor cost.
f    Estimate.
g    Urban areas.
h    Calculated by the UN Statistics Division from national indices.
i    Special trade system up to 2007.
j    Data refers to a 5-year period preceding the reference year.
k    Including refugees.
l    Data as at the end of December.
m    2018
n    2008
o    2014
p    2012
q    Data are as at 1 January of reporting year.
r    Population aged 6 years and over.
s    Excluding private non-profit.
t    Excluding business enterprise.
u    Data refer to fiscal years beginning 1 July.