On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Levels of coast risk exposure

Levels of coastal risk exposure, in terms of resident population, buildings, roads, railway, airports and jetties/wharves for land elevations below 1.5 m above MHWS at the coast. Results on the left have been aggregated from regional totals for regions where LiDAR data was available.