Brandwave

How popular isWestpac?

In September 2026, people searched for Westpac by name about 386,000 times in New Zealand, a 17.4% decrease from the previous year. These searches made up 16.9% of all New Zealand retail bank searches, placing Westpac third out of ten banks. When we asked both ChatGPT and Google AI Overviews about retail banks, Westpac appeared in all answers and was the fifth most recommended of the ten.

Search and AI answers in September 2026

Westpac is the third most searched of 10 competitors and the fifth most recommended in AI answers.

  1. ANZShare of searches 32.2%Mentioned in 5 of 5 AI answersPlace in AI recommendations 3rd
  2. ASBShare of searches 22.6%Mentioned in 5 of 5 AI answersPlace in AI recommendations 2nd
  3. WestpacShare of searches 16.9%Mentioned in 5 of 5 AI answersPlace in AI recommendations 5th
  4. KiwibankShare of searches 16.5%Mentioned in 5 of 5 AI answersPlace in AI recommendations 4th
  5. BNZShare of searches 5.4%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st

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Top retail banks in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Westpac appeared in all five answers. Westpac is the fifth most recommended of the ten.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. BNZ1st
  2. ASB2nd
  3. ANZ3rd
  4. Kiwibank4th
  5. Westpac5th
  6. TSB6th
  7. The Co-operative Bank7th
  8. Heartland Bank8th
  9. Rabobank New Zealand9th
  10. SBS Bank10th

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • ANZ5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • ASB5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Westpac5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Kiwibank5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • BNZ5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • The Co-operative Bank3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • TSB2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Heartland Bank2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Rabobank New Zealand2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • SBS Bank1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers

See every answer about retail banks

5 answers

Brands are shown in the order each answer named them. The survey took place in New Zealand on October 19, 2026.

Which retail banks compete with Westpac?

Westpac against retail banks in New Zealand, by month

Share of searches by month for ANZ, ASB, Westpac, Kiwibank, BNZ, TSB. The figures are in the table below the chart.

View monthly share of searches table
MonthANZASBWestpacKiwibankBNZTSBSBS BankThe Co-operative BankHeartland BankRabobank New Zealand
Oct 202538.1%18.3%16.6%16.3%5.2%2.7%0.97%0.83%0.53%0.48%
Nov 202533.7%19.6%17.7%17.5%5.6%2.9%1%0.89%0.57%0.48%
Dec 202533.9%19.6%17.8%17.5%5.6%2.9%0.86%0.9%0.47%0.4%
Jan 202634.8%20.4%18.5%14.9%5.8%2.9%0.89%0.76%0.59%0.39%
Feb 202631.8%22.5%16.8%16.4%6.4%3.2%0.98%0.84%0.65%0.42%
Mar 202634.3%20.4%18.1%14.6%6.9%3%1.1%0.74%0.58%0.46%
Apr 202633.7%19.7%17.9%17.6%5.6%2.9%0.86%0.74%0.57%0.41%
May 202634.7%20.2%18.3%14.8%5.8%3.1%1.1%0.91%0.59%0.48%
Jun 202634.6%20.1%18.1%14.6%5.7%3.6%1.1%0.9%0.87%0.47%
Jul 202632%22.3%16.6%16.3%6.3%3.3%0.97%1%0.65%0.46%
Aug 202630.8%21.6%19.6%15.8%6.1%3.4%0.94%0.8%0.63%0.47%
Sep 202632.2%22.6%16.9%16.5%5.4%3.5%0.98%0.84%0.65%0.5%

  1. 1.ANZ

    32.2%

    Held 1st. 731K estimated branded searches, +0.34% vs prior month. Share +1.4 points.

  2. 2.ASB

    22.6%

    Held 2nd. 513K estimated branded searches, +0.44% vs prior month. Share +1 points.

  3. 3.Westpac

    16.9%

    Held 3rd. 384K estimated branded searches, -17.3% vs prior month. Share -2.7 points.

  4. 4.Kiwibank

    16.5%

    Held 4th. 374K estimated branded searches, +0.2% vs prior month. Share +0.7 points.

  5. 5.BNZ

    5.4%

    Held 5th. 123K estimated branded searches, -14.9% vs prior month. Share -0.7 points.

  6. 6.TSB

    3.5%

    Held 6th. 79.6K estimated branded searches, +0.1% vs prior month. Share +0.1 points.

  7. 7.SBS Bank

    0.98%

    Held 7th. 22.2K estimated branded searches, 0% vs prior month. Share 0 points.

  8. 8.The Co-operative Bank

    0.84%

    Held 8th. 19K estimated branded searches, 0% vs prior month. Share 0 points.

  9. 9.Heartland Bank

    0.65%

    Held 9th. 14.8K estimated branded searches, 0% vs prior month. Share 0 points.

  10. 10.Rabobank New Zealand

    0.5%

    Held 10th. 11.3K estimated branded searches, +1.2% vs prior month. Share 0 points.

Compare popularity between Westpac and its closest rivals

Every comparison with Westpac

24 comparisons

How has branded search demand for Westpac changed in New Zealand over the last 12 months?

2 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for Westpac in New Zealand fell from 467K to 386K.
  • Across the 12 months ending September 2026, Westpac’s share of searches among retail banks in New Zealand peaked at 19.6% in August 2026 and was lowest at 16.6% in October 2025.

How did search popularity change for New Zealand retail banks in September 2026?

6 changes

  1. In September 2026, ANZ gained share of searches among retail banks in New Zealand, from 30.8% to 32.2%.

  2. In September 2026, ASB gained share of searches among retail banks in New Zealand, from 21.6% to 22.6%.

  3. In September 2026, Kiwibank gained share of searches among retail banks in New Zealand, from 15.8% to 16.5%.

  4. In September 2026, Westpac lost share of searches among retail banks in New Zealand, from 19.6% to 16.9%.

  5. In September 2026, BNZ lost share of searches among retail banks in New Zealand, from 6.1% to 5.4%.

  6. Estimated monthly branded searches for The Co-operative Bank in New Zealand fell 18.2% over 12 measured months, from 23.2K to 19K in September 2026.

How are Westpac’s branded searches counted?

12 search terms

Brandwave collects information about searches that people make online using Westpac’s name. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brand is growing, holding steady, or fading.

  • Westpac
  • westpac banking
  • westpac credit card
  • westpac home loan
  • westpac home loans
  • westpac kiwi saver
  • westpac kiwisaver
  • westpac mortgage
  • westpac mortgages
  • westpac personal loan
  • westpac savings
  • westpac term deposit

Do you work for Westpac? To request corrections or removal please contact us via our support page and we will be happy to assist.

How the Brand Demand Index is measured

Where does Westpac compete?

Westpac is ranked in three competitor sets. Each share is worked out among that set's brands, so it differs from set to set.
Competitor setRankShare of searchesRanking
retail banks3rd of 1016.9%Shown above
KiwiSaver providers13th of 151.1%Show ranking
Credit card providers7th of 102.5%Show ranking
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Is Westpac your brand?

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