a    Projected estimate (medium fertility variant).
b    2019
c    2020
d    Estimate.
e    Calculated by the UN Statistics Division from national indices.
f    Data refers to a 5-year period preceding the reference year.
g    Including refugees.
h    Data as at the end of December.
i    2018
j    2014
k    2017
l    2013
m    2011
n    Data are as at 1 January of reporting year.
o    Excluding business enterprise.
p    Excluding private non-profit.