Research

SAP: Global Customer Loyalty Index 2026

A person reading messages on a smartphone
Photo: Reading the smartphone messages instead of the book (35225380945) by Pedro Ribeiro Simões from Lisboa, Portugal, CC BY 2.0, via Wikimedia Commons

Executive summary

Consumers want shared control over AI in brand interactions (60%), and 30% have switched brands over a company's AI use (45% of Gen Z). Incentive-based loyalty fell to 38% from 48%.

Key findings

  • 60% Shared control is preferred
    Preferred control: 20% full human control, 16% AI-led with oversight and 4% fully autonomous.
  • 30% AI use can cost loyalty
    Switched brands over a company's AI use; 45% among Gen Z.
  • 38% Incentive loyalty fell
    Down from 48% in 2025; "true loyalty" rose from 29% to 32%.
  • 42% Human support builds trust
    Top trust builder: human support when something goes wrong.

Methodology

Described as SAP's sixth Global Customer Loyalty Index (2026). Sample size, method and geography are not described in the article.

SAP published an article citing its index as sponsored content on MarTech on October 13, 2026. The article does not describe the sample, method or geography.

How to read it

This is vendor research used to promote SAP’s Autonomous Marketing and Engagement offering. MarTech states it neither confirms nor disputes the sponsor’s conclusions, figures are self-reported, and the Gen Z findings are the author’s interpretation.

Sources

  1. MarTech (sponsored by SAP): Why 'earned autonomy' is the sweet spot for AI and customer loyalty in 2027 (opens in a new tab) News report ·

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