a    2017
b    Refers to Grande Lisboa, the Peninsula of Set?bal, and the municipality Azambuja.
c    2019
d    2018
e    Data classified according to ISIC Rev. 4.
f    Excludes publishing activities. Includes irrigation and canals.
g    Excludes computer and related activities and radio/TV activities.
h    Excludes repair of personal and household goods.
i    Estimate.
j    Excluding rent.
k    Calculated by the UN Statistics Division from national indices.
l    2016
m    Data refers to a 5-year period preceding the reference year.
n    Data as at the end of December.
o    Data are as at 1 January of reporting year.
p    Population aged 16 to 74 years.
q    Provisional data.
r    Data includes the Azores and Madeira.
s    Include hotels, apartment hotels, ìpousadasî, tourist apartments, tourist villages, camping sites, recreation centres, tourism in rural areas and local accommodation.
t    Development Assistance Committee member (OECD).