a    Projected estimate (medium fertility variant).
b    2019
c    Consists of the population of Hong Kong Island, New Kowloon the new towns in New Territories and the marine areas.
d    2020
e    Excluding hunting and forestry.
f    Excludes mining and quarrying.
g    Excluding waste management.
h    Excludes repair of motor vehicles and motorcycles, personal and household goods.
i    Estimate.
j    Data refers to a 5-year period preceding the reference year.
k    Including refugees.
l    Data as at the end of December.
m    2018
n    Population aged 10 years and over.
o    Users in the last 12 months.