Footnotes  
a    Projected estimate (medium fertility variant).
b    For statistical purposes, the data for United States of America do not include this area.
c    2022
d    2018
e    Data classified according to ISIC Rev. 3.
f    Population aged 16 years and over.
g    Break in the time series.
h    2010
i    2019
j    Data refers to a 5-year period preceding the reference year.
k    Calculated by the UN Statistics Division.
l    2023
m    2021
n    Estimate.