Footnotes  
a    Projected estimate (medium fertility variant).
b    2015
c    2017
d    2016
e    Estimate.
f    Calculated by the Statistics Division of the United Nations from national indices.
g    Data refers to a 5-year period preceding the reference year.
h    Including refugees.
i    Data as at the end of December.
j    2004
k    2001
l    2002
m    2014
n    Arrivals by air.