ASB vs Westpac:Which is more popular in New Zealand?
In September 2026, ASB had more branded searches than Westpac among retail banks in New Zealand. ASB had about 513,000 branded searches, while Westpac had 384,000. ASB made up 22.6% of all retail bank searches we track, and Westpac accounted for 16.9%. When we asked ChatGPT and Google AI Overviews about retail banks, both ASB and Westpac appeared in all five answers. ASB was mentioned before Westpac in every answer.
Who do people search for more?
ASB, about 34% more searches than Westpac
Who does AI mention more?
Both are mentioned in every answer we collected.
Who does AI recommend more?
ASB, named ahead of Westpac in every answer
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Top retail banks in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, both ASB and Westpac showed up in all five answers. ASB was listed before Westpac in every answer.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
See every answer about retail banks
5 answers
Asked ChatGPT
“Which retail bank should I switch to in New Zealand?”
Asked ChatGPT
“What are the best retail banks in New Zealand?”
Asked ChatGPT
“What's the best retail bank in New Zealand for everyday banking?”
Searched Google, AI Overview
“best bank nz”
Searched Google, AI Overview
“nz retail banks”
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 19, 2026.
Is ASB or Westpac more popular in search?
This chart shows how often people search Google for ASB and Westpac by name. Each line represents a brand's share of searches for all ten retail banks we track, month by month, from searches in New Zealand.
Share of searches by month for ASB, Westpac. The figures are in the table below the chart.
View monthly share of searches table
| Month | ASB | Westpac |
|---|---|---|
| Nov 2025 | 19.6% | 17.7% |
| Dec 2025 | 19.6% | 17.8% |
| Jan 2026 | 20.4% | 18.5% |
| Feb 2026 | 22.5% | 16.8% |
| Mar 2026 | 20.4% | 18.1% |
| Apr 2026 | 19.7% | 17.9% |
| May 2026 | 20.2% | 18.3% |
| Jun 2026 | 20.1% | 18.1% |
| Jul 2026 | 22.3% | 16.6% |
| Aug 2026 | 21.6% | 19.6% |
| Sep 2026 | 22.6% | 16.9% |
| Oct 2026 | — | — |
How has branded search for ASB and Westpac changed in New Zealand over the last 12 months?
3 findings
- ASB was ahead of Westpac in every measured month of the 11 months ending September 2026.
- Across the 11 months ending September 2026, ASB’s share of searches among retail banks in New Zealand moved from 19.6% to 22.6%, and its estimated monthly branded searches moved from 512K to 513K.
- Across the 11 months ending September 2026, Westpac’s share of searches among retail banks in New Zealand moved from 17.7% to 16.9%, and its estimated monthly branded searches moved from 464K to 384K.
How did search popularity change for New Zealand retail banks in September 2026?
2 changes
In September 2026, ASB gained share of searches among retail banks in New Zealand, from 21.6% to 22.6%.
In September 2026, Westpac lost share of searches among retail banks in New Zealand, from 19.6% to 16.9%.
How are ASB’s and Westpac’s branded searches counted?
22 search terms
Brandwave collects information about searches that people make online using ASB’s and Westpac’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
ASB
12 branded search terms
- asb
- ASB Bank
- asb banking
- asb credit card
- asb home loan
- asb home loans
- asb kiwisaver
- asb mortgage
- asb mortgages
- asb personal loan
- asb savings
- asb term deposit
Westpac
10 branded search terms
- Westpac
- westpac banking
- westpac credit card
- westpac home loan
- westpac home loans
- westpac mortgage
- westpac mortgages
- westpac personal loan
- westpac savings
- westpac term deposit
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