Footnotes  
a    2017
b    2018
c    Excluding the institutional population.
d    Population aged 15 to 64 years.
e    2012
f    Break in the time series.
g    2013
h    Calculated by the UN Statistics Division from national indices.
i    2016
j    Data refers to a 5-year period preceding the reference year.
k    2015
l    2009
m    2004
n    Estimate.
o    2014