a    2017
b    2019
c    2018
d    Estimate.
e    2016
f    Areas not elsewhere specified.
g    Data refers to a 5-year period preceding the reference year.
h    Including refugees.
i    Data as at the end of December.
j    A study is being pursued to provide a revised estimate of statelessness figure.
k    2014
l    2013
m    2012
n    Data are as at 1 January of reporting year.