Footnotes  
a    Projected estimate (medium fertility variant).
b    2015
c    2017
d    2016
e    Data classified according to ISIC Rev. 4.
f    Estimate.
g    Calculated by the Statistics Division of the United Nations from national indices.
h    2014
i    Areas not elsewhere specified.
j    Data refers to a 5-year period preceding the reference year.
k    Data as at the end of December.
l    2013
m    2007
n    Partial data.
o    2008
p    2004
q    Excluding nationals residing abroad.