---
title: "Aldi vs Sainsbury's: Which is searched more in the United Kingdom?"
description: "Is Aldi or Sainsbury's more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Supermarkets set in the United Kingdom. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time."
canonical: "https://gobrandwave.com/demand/uk/compare/aldi-supermarkets-vs-sainsburys"
publisher: "Brandwave"
---

# Aldi vs Sainsbury's: Which is searched more in the United Kingdom?

Is Aldi or Sainsbury's more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Supermarkets set in the United Kingdom. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

## Key facts

- **Compared**: Aldi and Sainsbury's
- **Competitive set**: Supermarkets
- **Market**: United Kingdom
- **Month measured**: Sep 2026
- **Aldi Share of Search**: 14%
- **Sainsbury's Share of Search**: 25.4%

## Is Aldi or Sainsbury's more popular in search?

- In September 2026, Sainsbury's had more branded searches than Aldi among supermarkets in the United Kingdom. Sainsbury's had about 9.1 million branded searches, while Aldi had 5 million. Sainsbury's made up 25.4% of all supermarket searches we track, and Aldi accounted for 14%.
- Sainsbury's was ahead of Aldi in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Aldi’s share of searches among supermarkets in the United Kingdom moved from 13% to 14%, and its estimated monthly branded searches held steady at 5M.
- Across the 12 months ending September 2026, Sainsbury's’ share of searches among supermarkets in the United Kingdom moved from 23.7% to 25.4%, and its estimated monthly branded searches held steady at 9.1M.

## Top supermarkets in ChatGPT and Google AI Overviews

In three ChatGPT questions, Sainsbury's appeared in all three answers. Aldi was mentioned in one out of three: in one of the three ChatGPT answers. Sainsbury's was listed before Aldi in two out of three answers.

Brands get a higher AI rank if they are mentioned earlier in the answers that list options.

| Brand | AI rank | ChatGPT answers that named it | All answers that named it |
| --- | --- | --- | --- |
| Sainsbury's | 1st | 3 of 3 | 3 of 3 |
| Tesco | 2nd | 2 of 3 | 2 of 3 |
| Asda | 3rd | 3 of 3 | 3 of 3 |
| Waitrose | 4th | 3 of 3 | 3 of 3 |
| Lidl | 5th | 2 of 3 | 2 of 3 |
| Ocado | 6th | 2 of 3 | 2 of 3 |
| Aldi | 7th | 1 of 3 | 1 of 3 |
| M&S | 8th | 1 of 3 | 1 of 3 |
| Morrisons | 9th | 1 of 3 | 1 of 3 |
| Co-op | Not ranked | 0 of 3 | 0 of 3 |
| Iceland | Not ranked | 0 of 3 | 0 of 3 |

## Every AI answer about supermarkets

- Asked ChatGPT "Which UK supermarket is the cheapest for a weekly shop?": 1. Aldi, 2. Lidl, 3. Asda, 4. Tesco, 5. Sainsbury's, 6. Morrisons, 7. Ocado, 8. Waitrose
- Asked ChatGPT "What's the best supermarket for quality food in the UK?": 1. Waitrose, 2. M&S, 3. Sainsbury's, 4. Lidl, 5. Asda
- Asked ChatGPT "Which supermarket has the best online delivery service?": 1. Tesco, 2. Ocado, 3. Sainsbury's, 4. Asda, 5. Waitrose

Not named in any answer: Co-op and Iceland.

Brands are listed in the order each answer named them. The answers were collected in United Kingdom on October 27, 2026.

## How did search popularity change for United Kingdom supermarkets in September 2026?

- In September 2026, Sainsbury's gained share of searches among supermarkets in the United Kingdom, from 23.8% to 25.4%.
- In September 2026, Aldi lost share of searches among supermarkets in the United Kingdom, from 16% to 14%.

## Month by month

| Month | Aldi estimated searches | Aldi Share of Search | Aldi rank | Sainsbury's estimated searches | Sainsbury's Share of Search | Sainsbury's rank |
| --- | --- | --- | --- | --- | --- | --- |
| Oct 2025 | 5M | 13% | 3 | 9.1M | 23.7% | 1 |
| Nov 2025 | 5M | 12.6% | 4 | 9.1M | 22.9% | 1 |
| Dec 2025 | 5M | 11.1% | 5 | 11.1M | 24.5% | 1 |
| Jan 2026 | 5M | 13.1% | 3 | 9.1M | 23.9% | 1 |
| Feb 2026 | 4.1M | 12.6% | 4 | 7.5M | 22.9% | 1 |
| Mar 2026 | 5M | 13.4% | 3 | 9.1M | 24.5% | 1 |
| Apr 2026 | 5M | 13.9% | 2 | 9.1M | 25.3% | 1 |
| May 2026 | 6.2M | 16% | 2 | 9.1M | 23.8% | 1 |
| Jun 2026 | 5M | 14.7% | 2 | 7.5M | 21.8% | 1 |
| Jul 2026 | 5M | 14% | 2 | 9.1M | 25.4% | 1 |
| Aug 2026 | 6.2M | 16% | 2 | 9.1M | 23.8% | 1 |
| Sep 2026 | 5M | 14% | 2 | 9.1M | 25.4% | 1 |

## How each brand is measured

Brandwave collects information about searches that people make online using Aldi’s and Sainsbury'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.

- **Aldi**: Measured on the search terms “aldi” and “aldi uk”, summed into one figure.
- **Sainsbury's**: Measured on the search term “sainsburys”.

- [Aldi profile](/demand/uk/brands/aldi-supermarkets)
- [Sainsbury's profile](/demand/uk/brands/sainsburys)
- [All supermarkets in the United Kingdom](/demand/uk/categories/uk-supermarkets): The set both shares are measured inside, 11 brands.

## Methodology

- [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Frequently asked questions

### Is Aldi or Sainsbury's more popular in search?

In September 2026, Sainsbury's had more branded searches than Aldi among supermarkets in the United Kingdom. Sainsbury's had about 9.1 million branded searches, while Aldi had 5 million. Sainsbury's made up 25.4% of all supermarket searches we track, and Aldi accounted for 14%.

## Cite this page

Brandwave. "Aldi vs Sainsbury's: Which is searched more in the United Kingdom?". https://gobrandwave.com/demand/uk/compare/aldi-supermarkets-vs-sainsburys

This page is also available as HTML at https://gobrandwave.com/demand/uk/compare/aldi-supermarkets-vs-sainsburys. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.
