This time series is irregular. Because the 2011 Census was cancelled after the Canterbury earthquake on 22 February 2011, the gap between this census and the last one is seven years. The change in the data between 2006 and 2013 may be greater than in the usual five-year gap between censuses. Be careful when comparing trends.
The census usually resident population count of an area is a count of all people who usually live in that area and were present in New Zealand on census night.
- visitors from overseas
- visitors from elsewhere in New Zealand
- residents temporarily overseas on census night
On 6 March 2006, Banks Peninsula District Council amalgamated with the Christchurch City Council. For the purpose of time series, Banks Peninsula data for 2001 and 2006 have been incorporated under Christchurch City.