| Rank | Country | Suffrage |
155 | Northern Mariana Islands | 18 years of age; universal; indigenous inhabitants are US citizens but do not vote in US presidential elections |
156 | Norway | 18 years of age; universal |
7 | Oman | 21 years of age; universal; note - members of the military and security forces are not allowed to vote |
| Pacific Ocean | void |
157 | Pakistan | 18 years of age; universal; joint electorates and reserved parliamentary seats for women and non-Muslims |
158 | Palau | 18 years of age; universal |
159 | Panama | 18 years of age; universal and compulsory |
160 | Papua New Guinea | 18 years of age; universal |
| Paracel Islands | void |
161 | Paraguay | 18 years of age; universal and compulsory up to age 75 |
162 | Peru | 18 years of age; universal and compulsory until the age of 70 |
163 | Philippines | 18 years of age; universal |
164 | Pitcairn Islands | 18 years of age; universal with three years residency |
165 | Poland | 18 years of age; universal |
166 | Portugal | 18 years of age; universal |
167 | Puerto Rico | 18 years of age; universal; island residents are US citizens but do not vote in US presidential elections |
168 | Qatar | 18 years of age; universal |
169 | Romania | 18 years of age; universal |
170 | Russia | 18 years of age; universal |
171 | Rwanda | 18 years of age; universal |
172 | Saint Barthelemy | 18 years of age, universal |
| Saint Helena | NA |