a    2017
b    Refers to the total population in 76 municipalities of the Metropolitan Area of Mexico City.
c    2019
d    2018
e    Data classified according to ISIC Rev. 4.
f    Excludes publishing activities. Includes irrigation and canals.
g    Excludes repair of personal and household goods.
h    Excludes computer and related activities and radio/TV activities.
i    Estimate.
j    Calculated by the UN Statistics Division from national indices.
k    2016
l    Imports FOB.
m    Areas not elsewhere specified.
n    Data refers to a 5-year period preceding the reference year.
o    Including refugees.
p    Data as at the end of December.
q    Data are as at 1 January of reporting year.
r    Break in the time series.
s    Population aged 6 years and over.
t    Including nationals residing abroad.