Flexible Benefits and Employee Retention: A Systematic Literature Review and Thematic Synthesis

Employee retention has emerged as a critical strategic priority for organizations navigating the complexities of the 2026 labor market, characterized by high voluntary turnover averaging 15.9% in high-growth regions and shifting workforce expectations (Zoho Connect, 2026). This systematic and thematic literature review examines the effectiveness of flexible benefits, defined as customizable reward systems that allow employees to select benefits according to their financial, health, and lifestyle needs, as a mechanism for improving employee retention. Using a Systematic Literature Review (SLR) approach, the study synthesized peer-reviewed empirical and conceptual studies published between 2015 and 2026 from Scopus and Web of Science using search terms such as “flexible benefits,” “total rewards,” and “turnover intention,” while applying inclusion criteria focused on relevance, recency, and peer-reviewed academic quality. The review identified five dominant themes: personalization within Total Rewards strategies, reduction of burnout through work-life balance, the role of flexible benefits in signaling Perceived Organizational Support (POS), generational differences in benefit preferences, and implementation barriers. Recent studies also emphasize mental health and family-care benefits as major priorities in post-2024 workplace policies (Paychex, 2025). Despite the growing body of literature, significant research gaps remain, particularly the limited evidence from developing economies such as the Philippines, the lack of longitudinal studies examining long-term retention outcomes, and insufficient analysis of how flexible benefits interact with organizational culture and leadership practices. In the Philippine setting, where average pay increases during 2024–2025 struggled to keep pace with inflation, flexible benefits offer a non-inflationary strategy for workforce stability (TheCompany.ph, 2025). Overall, the review concludes that flexible benefits are most effective when implemented as dynamic, employee-centered retention strategies supported by transparent and inclusive organizational practices.

Employee retention is an organization's ability to retain talented

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