a    Projected estimate (medium fertility variant).
b    Inland waters include the reservoirs.
c    2019
d    2020
e    Estimate.
f    Calculated by the UN Statistics Division from national indices.
g    Data refers to a 5-year period preceding the reference year.
h    Data as at the end of December.
i    2018
j    Population aged 3 years and over.
k    Users in the last 3 months.
l    Partial data.
m    Does not include other non-residents namely workers, students, etc.