| Rank | Country | Suffrage |
104 | Hong Kong | direct election - 18 years of age for half the legislature and a majority of seats in 18 district councils; 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 |
105 | Hungary | 18 years of age; universal |
106 | Iceland | 18 years of age; universal |
107 | India | 18 years of age; universal |
| Indian Ocean | void |
220 | Indonesia | 17 years of age; universal and married persons regardless of age |
108 | Iran | 18 years of age; universal |
109 | Iraq | 18 years of age; universal |
110 | Ireland | 18 years of age; universal |
228 | Isle of Man | 16 years of age; universal |
111 | Israel | 18 years of age; universal |
112 | Italy | 18 years of age; universal (except in senatorial elections, where minimum age is 25) |
113 | Jamaica | 18 years of age; universal |
| Jan Mayen | void |
18 | Japan | 20 years of age; universal |
229 | Jersey | 16 years of age; universal |
114 | Jordan | 18 years of age; universal |
115 | Kazakhstan | 18 years of age; universal |
116 | Kenya | 18 years of age; universal |
117 | Kiribati | 18 years of age; universal |
221 | Korea, North | 17 years of age; universal |
21 | Korea, South | 19 years of age; universal |
118 | Kosovo | 18 years of age; universal |
5 | Kuwait | 21 years of age; universal (adult); note - males in the military or police are not allowed to vote; adult females were allowed to vote as of 16 May 2005; all voters must have been citizens for 20 years |
119 | Kyrgyzstan | 18 years of age; universal |