a    Projected estimate (medium fertility variant).
b    Including Agalega, Rodrigues and Saint Brandon.
c    Excluding the islands of Saint Brandon and Agalega.
d    2015
e    2017
f    2016
g    Data classified according to ISIC Rev. 4.
h    Estimate.
i    Calculated by the Statistics Division of the United Nations from national indices.
j    Data classified according to ISIC Rev. 3.
k    2011
l    Data refers to a 5-year period preceding the reference year.
m    Refers to foreign citizens.
n    2004
o    Population aged 5 years and over.
p    R&D budget instead of R&D expenditure or based on R&D budget.
q    Overestimated or based on overestimated data.
r    Excluding business enterprise.
s    Break in the time series.
t    2012
u    2014