Hong Kong
direct election - 18 years of age for a number of
non-executive positions; universal for permanent residents living in
the territory of Hong Kong for the past seven years; indirect
election - limited to about 220,000 members of functional
constituencies and an 800-member election committee drawn from broad
regional groupings, central government bodies, and municipal
organizations

Hungary
18 years of age; universal

Iceland
18 years of age; universal

India
18 years of age; universal

Indonesia
17 years of age; universal and married persons regardless
of age

Iran
16 years of age; universal

Iraq
18 years of age; universal

Ireland
18 years of age; universal

Isle of Man
16 years of age; universal

Israel
18 years of age; universal