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📊 '''Policyholder retention rate''' is a key performance metric that measures the proportion of [[Definition:Policyholder | policyholders]] who renew their [[Definition:Insurance policy | insurance policies]] at the end of a given term rather than allowing them to lapse or switching to a competitor. Expressed as a percentage, it captures an insurer's ability to maintain its existing book of business over time and is tracked across virtually every line of [[Definition:Personal lines | personal]] and [[Definition:Commercial lines | commercial lines]] insurance worldwide. While the precise calculation can vary — some carriers measure it by policy count, others by [[Definition:Gross written premium (GWP) | premium volume]] — the underlying question is the same: how effectively does the company hold onto the customers it already has?

🔄 Carriers typically calculate the rate by dividing the number of policies renewed during a period by the number of policies eligible for renewal, then multiplying by one hundred. The metric can be segmented by [[Definition:Line of business | line of business]], distribution channel, geography, or customer demographic to pinpoint where retention is strongest and where it is deteriorating. Insurers and [[Definition:Managing general agent (MGA) | MGAs]] operating on [[Definition:Delegated underwriting authority (DUA) | delegated authority]] often track retention at the program level, since a declining rate may signal adverse [[Definition:Pricing | pricing]] changes, poor [[Definition:Claims management | claims experiences]], or competitive pressure from [[Definition:Insurtech | insurtech]] entrants offering frictionless switching. In markets with high digital penetration — such as the UK motor market or segments of the Chinese health insurance sector — retention rates tend to be more volatile because [[Definition:Price comparison website | comparison platforms]] reduce switching costs for consumers.

💡 Retention carries outsized strategic importance because acquiring a new policyholder almost always costs more than keeping an existing one. High retention stabilizes [[Definition:Earned premium | earned premium]] flows, improves the accuracy of [[Definition:Actuarial analysis | actuarial projections]], and allows an insurer to benefit from seasoning effects where longer-tenured policyholders often exhibit lower [[Definition:Loss ratio (L/R) | loss ratios]]. Conversely, a falling retention rate can erode profitability even when new business volumes look healthy, because the replacement policies may carry higher [[Definition:Acquisition cost | acquisition costs]] and less predictable risk profiles. For these reasons, retention rate sits alongside [[Definition:Combined ratio | combined ratio]] and [[Definition:Loss ratio (L/R) | loss ratio]] as one of the metrics that executives, [[Definition:Reinsurer | reinsurers]], and investors scrutinize most closely when evaluating an insurer's operational health.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Lapse rate]]
* [[Definition:Customer lifetime value (CLV)]]
* [[Definition:Renewal rate]]
* [[Definition:Policyholder satisfaction]]
* [[Definition:Acquisition cost]]
* [[Definition:Combined ratio]]
{{Div col end}}

Definition:Policyholder retention rate - Revision history

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