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    Refers to the Metropolitan Statistical Area.
e    2019
f    Data compiled in accordance with the System of National Accounts 1968 (1968 SNA).
g    At producers' prices.
h    Estimate.
i    Calculated by the UN Statistics Division from national indices.
j    2017
k    Data refers to a 5-year period preceding the reference year.
l    Calculated by the UN Statistics Division.
m    2021
n    2018
o    2023
p    Arrivals of non-resident tourists by air.
q    Data refer to fiscal years beginning 1 July.