| Official name | Territory of Heard Island and McDonald IslandsCIA World Factbook [2025] · 2026 archive |
| Government type | No authoritative open source found |
| Capital | No authoritative open source found |
| Head of state | No authoritative open source found |
| Total area | No authoritative open source found |
| Total population | No authoritative open source found |
| Languages | No authoritative open source found |
| GDP (nominal) | No authoritative open source found |
| GDP per capita | No authoritative open source found |
| Life expectancy | No authoritative open source found |
