The Institute of Environmental Science and Research (ESR) has changed its name to the New Zealand Institute for Public Health and Forensic Science (PHF Science) as of 1 July 2025. The new website address is www.phfscience.nz. Visitors will automatically be redirected to the new address. Please check and update any links and bookmarks after this change.

STI Annual dashboard 2023

Sexually transmitted infections

Please note: As of 1 July 2025, the New Zealand Institute for Public Health and Forensic Science (PHF Science) is the new name for the Institute of Environmental Science and Research (ESR). Research and reports published prior to this date may reference the organisation’s former name.

This dashboard shows national gonorrhoea and chlamydia case counts and rates from 2016 to 2023 from laboratory data, and national syphilis case counts and rates from enhanced clinic surveillance from 2016 to 2019 and from clinical notifications from 2019 to 2023.