 St John provides ambulance services for approximately 90% of New Zealand's population.The only area where the organisation does not provide emergency ambulance services is the Greater Wellington region (specifically the areas of the Capital and Coast, Hutt Valley, and Wairarapa DHBs), where Wellington Free Ambulance is the provider.St John treated or transported 469,850 patients in the year ending 30 June 2017, attending more than 389,350 emergency incidents.