The following is a summary of PIANZEA Network member country constitutions, with a focus on sections relevant to electoral systems and administration. The details of this page were last reviewed in September 2021.
| Country | Constitution | Electoral Sections |
| Australia | Commonwealth of Australia Constitution Act | Sections 7-12, sections 24-33, and section 41 |
| Cook Islands | The Constitution of the Cook Islands | Sections 27-28 |
| Federated States of Micronesia | Constitution of the Federated States of Micronesia | Article 6 and article 9, sections 8 and 12 |
| Fiji | Constitution of the Republic of Fiji | Chapter 3, parts B and C |
| Kiribati | Constitution of the Republic of Kiribati | Chapter 5, part 1 |
| Naoero | The Constitution of Nauru | Sections 29 and 39 |
| New Zealand | Constitution Act 1986 | Sections 10 and 17 |
| Niue | Constitution of Niue | Part 2 |
| Palau | Constitution of Palau | Article 9 |
| Papua New Guinea | Independent State of Papua New Guinea Constitution | Sections 105-106, subdivisions G and H |
| Papua New Guinea (Autonomous Region of Bougainville) | Constitution of the Autonomous Region of Bougainville | Part 8 |
| Republic of the Marshall Islands | Constitution of the Republic of the Marshall Islands | Sections 4-6 and 12-13 |
| Samoa | Constitution of the Independent State of Samoa | Section 64 |
| Solomon Islands | The Constitution of Solomon Islands | Part 1 |
| Timor-Leste | Constitution of the Democratic Republic of Timor-Leste | Section 7, 65, 76, and 93 |
| Tokelau | Constitution of Tokelau 2006 | Section 3 |
| Kingdom of Tonga | The Constitution of Tonga | Sections 23, 59-60, 63-66, 76-77 |
| Tuvalu | The Constitution of Tuvalu | Part 6 |
| Vanuatu | Constitution of the Republic of Vanuatu | Sections 17-20 |
Note: This list does not include all amendments.