Footnotes  
a    Projected estimate (medium fertility variant).
b    For statistical purposes, the data for United States of America do not include American Samoa, Guam, Northern Mariana Islands, Puerto Rico, and United States Virgin Islands.
c    2022
d    2019
e    Includes taxes less subsidies on production and imports.
f    Data classified according to ISIC Rev. 4.
g    Excludes irrigation canals and landscaping care.
h    Data classified according to ISIC Rev. 4. Excludes publishing activities. Includes irrigation canals.
i    Excludes repair of personal and household goods.
j    Estimate.
k    All urban consumers.
l    2023
m    Data refers to a 5-year period preceding the reference year.
n    Calculated by the UN Statistics Division.
o    Data are based on SHA2011.
p    Break in the time series.
q    Data based on calendar year (January 1 to December 31).
r    2021
s    Total refers to all voting members of the House of Representatives.
t    Data are as at 1 January of reporting year.
u    Users in the last 6 months.
v    Population aged 3 years and over.
w    Do not correspond exactly to Frascati Manual recommendations.
x    Provisional data.
y    Development Assistance Committee member (OECD).