Proportion of 5-year-old children without cavities in New Zealand
By health district, 2024, % of children
| Health district | % of children |
|---|---|
| Northland | 41.3487133984% |
| Waitematā | 59.21387283237% |
| Auckland | 58.28698553949% |
| Counties Manukau | 44.34968017058% |
| Waikato | 55.66236106939% |
| Lakes | 45.20153550864% |
| Bay of Plenty | 54.00801603206% |
| Tairāwhiti | 42.94871794872% |
| Taranaki | 52.46153846154% |
| Hawke's Bay | 58.76042908224% |
| MidCentral | 42.24899598394% |
| Whanganui | 58.26923076923% |
| Hutt Valley | 63.2860040568% |
| Capital & Coast | 70.47548838924% |
| Wairarapa | 72.52747252747% |
| Nelson Marlborough | 66.59292035398% |
| West Coast | 77.86885245902% |
| Canterbury | 65.60882286743% |
| South Canterbury | 66.76646706587% |
| Southern | 65.49037580202% |
Definitions
Water fluoridation: Water fluoridation is the process of adjusting the natural level of fluoride in the water supply to between 0.7 ppm and 1.0 ppm. This is the optimal amount that provides protection against tooth decay, and is recommended by the World Health Organization.
Data calculation/treatment
Please note results have not been adjusted for socio-economic status.
Data provided by
Dataset name
Community Oral Health Service: Age 5 oral health data 2024
Webpage:
How to find the data
At URL provided, select '2024: Age 5 oral health data from the Community Oral Health Service [XLSX, 30 KB]'.
Some sheets were combined by Figure.NZ for processing purposes.
Import & extraction details
File as imported: Community Oral Health Service: Age 5 oral health data 2024
From the dataset Community Oral Health Service: Age 5 oral health data 2024, this data was extracted:
- Sheet: Age 5
- Range:
C7:BV31 - Provided: 1,512 data points
This data forms the table Health - Dental health of five-year-old children, by health district, ethnic group, and water fluoridation status 2024.
Dataset originally released on:
September 22, 2025
About this dataset
This dataset provides data from the Community Oral Health Service, containing statistics on the level of decayed, missing and filled teeth (dmft/DMFT) and percentage of children caries-free for 5-year-old children. Data is organised by DHB and region, as well as ethnicity and fluoridation status.