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tech 10 August 2026

Mars Bar from 1991 Found: 20g Bigger than Today's

A Mars Bar from 1991 has been found, highlighting the phenomenon of 'shrinkflation'. Explore how the food industry adjusts its products in response to costs and consumer demands.

Article inspired by the original source
Mars Bar from 1991 found – and it's 20g bigger than today's ↗ www.bbc.com

A Chocolatey Time Capsule

A Mars Bar from 1991 recently surfaced during a house clearance in Scunthorpe, UK. What caught attention wasn't just its age but its size: 62.5g compared to today's 40g bars. This discovery highlights a phenomenon known as "shrinkflation."

What is Shrinkflation?

Shrinkflation is the practice of companies reducing the size or weight of their products while maintaining the same price. This strategy allows manufacturers to offset rising costs of raw materials and production without visibly increasing product prices.

Why Have Mars Bars Become Smaller?

There are multiple reasons for shrinkflation. According to a Mars spokesperson, size adjustments respond to consumer demand while considering external factors like manufacturing costs and cocoa prices. In 2021, cocoa prices rose by 19% from the previous year, according to the International Cocoa Organization.

Impact on Consumers

Consumers often perceive shrinkflation as a loss of value, especially when it is not clearly communicated. However, some studies suggest consumers prefer subtle price increases through size reduction rather than direct price hikes. For instance, a 2020 Nielsen study found that 55% of UK consumers were more likely to accept reduced-size products than a price increase.

Shrinkflation Beyond Chocolate Bars

Shrinkflation is not limited to chocolate bars. It is observable across many sectors, particularly staple food products like cereals, beverages, and hygiene products. For example, in 2022, a Which? survey revealed that 206 food products had been reduced in size in UK supermarkets.

Implications for the Food Industry

For the food industry, shrinkflation is a pragmatic response to economic pressures. However, it also poses challenges in terms of transparency and consumer loyalty. Companies must balance profitability with customer satisfaction.

Conclusion

The discovery of this 1991 Mars Bar is more than just a curiosity; it's a reminder of the economic dynamics that influence our consumption habits. As shrinkflation continues to be a common strategy, businesses must remain attuned to consumer expectations to maintain trust.

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