Upper Harbour: general electorate report

Political profile & infrastructure context

2023 political profile

MP (2023): Cameron Brewer

Party: National

Winning margin: 26.9%

Winner vote share: 51.62%

Turnout: 74.61%

Electoral population: 66,240

Infrastructure context

Pipeline projects are tracked at the regional level. See the Upper Harbour region report and the live map for project-level exposure and delivery-confidence scores.

Sources & methodology. Project data from Te Waihanga's National Infrastructure Pipeline and public records. The Delivery Confidence Score is a transparent ranking (see https://www.infrawatch.nz/methodology/delivery-confidence/). Approximations are flagged; no figures are fabricated. © 2026 NZ InfraWatch.