Customer Loyalty Index 2025

Impact of Brand Sustainability on Loyalty

Although Ethical Loyalty has decreased, sustainability is important to different degrees among the generations. Brands should know that sustainability is essential for Gen Zers and Millennials.

Silent Generation

Gen Z

Millennials

Gen X

Boomers

Likely to switch brands due to poor sustainability practices

39%

35%

22%

13%

9%

Likely to support brands with strong sustainability & social values

21%

22%

15%

14%

13%

Likely to prioritize brands with sustainable business practices

25%

23%

21%

17%

16%

More loyal to brands committed to sustainability

26%

26%

16%

13%

10%

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