a    Projected estimate (medium fertility variant).
b    2015.
c    2016.
d    Data classified according to ISIC Rev. 4.
e    Estimate.
f    2014.
g    Data refers to a 5-year period preceding the reference year.
h    Data as at the end of December.
i    In 2010, Ghana revalued its economy from 1993 base to 2006, increasing its overall GDP by more than 60 per cent. Estimates have been updated taking into account 2010 GDP rebasing data series.
j    2004.
k    2009.
l    2011.
m    Break in the time series.
n    Population aged 12 years and over.
o    Including nationals residing abroad.