a    2017
b    2019
c    2018
d    Data classified according to ISIC Rev. 4.
e    Excludes publishing activities. Includes irrigation and canals.
f    Excludes computer and related activities and radio/TV activities.
g    Excludes repair of personal and household goods.
h    Estimate.
i    2016
j    Since 2011, Ghana have been exporting crude petroleum & natural gas in relatively larger quantities.
k    Data refers to a 5-year period preceding the reference year.
l    Data as at the end of December.
m    2012
n    2009
o    Data are as at 1 January of reporting year.
p    Break in the time series.
q    Population aged 12 years and over.
r    Population aged 18 years and over.
s    Including nationals residing abroad.