a    Projected estimate (medium fertility variant).
b    2015
c    Refers to Grande Lisboa, the Peninsula of Setúbal, and the municipality Azambuja.
d    2017
e    2016
f    Data classified according to ISIC Rev. 4.
g    Estimate.
h    Excluding rent.
i    Calculated by the Statistics Division of the United Nations from national indices.
j    2014
k    Data refers to a 5-year period preceding the reference year.
l    Data as at the end of December.
m    Population aged 16 to 74 years.
n    Provisional data.
o    2004
p    Data includes the Azores and Madeira.
q    Includes establishments with 10 or more bed places: hotels, apartment hotels, “pousadas”, tourist apartments and tourist villages, as well as other accommodation establishments: boarding houses, motels and inns. Includes camping sites and recreation centres. Does not include tourism in rural areas neither local accommodation.
r    Development Assistance Committee member (OECD).