| Rank | Country | | Suffrage |
1 | Holy See (Vatican City) | 80 | limited to cardinals less than 80 years old |
2 | Argentina | 70 | 18-70 years of age; universal and compulsory |
3 | Fiji | 21 | 21 years of age; universal |
4 | Kuwait | 21 | 21 years of age; universal; 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 |
5 | Lebanon | 21 | 21 years of age; compulsory for all males; authorized for women at age 21 with elementary education; excludes military personnel |
6 | Malaysia | 21 | 21 years of age; universal |
7 | Oman | 21 | 21 years of age; universal; note - members of the military and security forces are not allowed to vote |
8 | Samoa | 21 | 21 years of age; universal |
9 | Saudi Arabia | 21 | 21 years of age; male |
10 | Singapore | 21 | 21 years of age; universal and compulsory |
11 | Solomon Islands | 21 | 21 years of age; universal |
12 | Tokelau | 21 | 21 years of age; universal |
13 | Tonga | 21 | 21 years of age; universal |
14 | Armenia | 20 | 20 years of age; universal |
15 | Bahrain | 20 | 20 years of age; universal; note - Bahraini Cabinet in May 2011 endorsed a draft law lowering eligibility to 18 years |
16 | Cameroon | 20 | 20 years of age; universal |