I roto i te tatauranga 2016, 54.6% o Ahitereiria i kiia he Karaitiana, tae atu ki te 22.6% hei Katorika Roma me te 13.3% hei Anglican; 30.1% o te taupori i kii "kaore he haahi"; 7.3% te tautuhi ki nga haahi kore-Kerisiano, ko te mea nui rawa o enei ko te Ihirama (2.6%), ka whai ake ko te Buddhism (2.5%), Hinduism (1.9%), Sikhism (0.6%) me te Hurai (0.4%). Ko te toenga 9.6% o te taupori kaore i whakawhiwhia he whakautu tika. Ko te hunga i kii kaore he haahi i piki ake mai i te 19% i te 2006 ki te 30% i te 2016. Ko te mea nui rawa i waenga i te 2011 me te 2016 (22%) (30.1%), i te wa i kii te kawanatanga federal kaore he haahi Karaitiana. I mua i te taenga mai o nga Aboriginal ki Ahitereiria, ko te ture o nga Aboriginal, ko te tikanga o te haahi Maori i Ahitereiria.
Ko te wāhanga 116 o te Ture o Ahitereiria e aukati ana i te kāwanatanga ā-rohe ki te hanga ture hei whakatū i tētahi hāhi