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📊 '''Class rating''' is a [[Definition:Rating | rating]] methodology in which [[Definition:Premium | premiums]] are determined primarily by the risk classification—or [[Definition:Class code | class code]]—assigned to the insured, rather than by the individual characteristics of a specific account. It is the foundational pricing approach for high-volume, relatively homogeneous exposures such as [[Definition:Personal lines | personal auto]], [[Definition:Workers' compensation insurance | workers' compensation]], and standard [[Definition:Commercial lines | commercial]] packages, where evaluating each risk on its own merits would be neither practical nor cost-effective.

⚙️ Under a class rating system, an [[Definition:Actuarial analysis | actuarial team]] groups similar [[Definition:Exposure | exposures]] together—say, all restaurants with a specific seating capacity and cooking type—and calculates an average [[Definition:Loss cost | loss cost]] for the group based on historical [[Definition:Claims experience | claims experience]]. That average becomes the starting point for the [[Definition:Base rate | base rate]], which the [[Definition:Underwriter | underwriter]] may then adjust with [[Definition:Rating modifier | modifiers]] such as [[Definition:Experience modification factor | experience modification]], [[Definition:Schedule rating | schedule rating]] credits or debits, and territory factors. The result is a price that reflects the collective behavior of the class while still allowing some differentiation for individual risk quality.

💡 The strength of class rating lies in its efficiency and statistical credibility: large groups produce stable, predictable loss patterns that [[Definition:Insurance carrier | insurers]] and regulators can rely on for [[Definition:Rate filing | rate filings]] and [[Definition:Reserving | reserve]] projections. However, it assumes that members of a class share enough common characteristics to justify a pooled rate—an assumption that [[Definition:Insurtech | insurtech]] firms are increasingly challenging with granular [[Definition:Predictive analytics | predictive analytics]] and [[Definition:Telematics | telematics]] data that enable more individualized pricing. The tension between broad classification and personalized rating continues to reshape product design and regulatory debate across multiple [[Definition:Line of business | lines of business]].

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Class code]]
* [[Definition:Experience rating]]
* [[Definition:Schedule rating]]
* [[Definition:Loss cost]]
* [[Definition:Manual rate]]
* [[Definition:Individual risk rating]]
{{Div col end}}

Definition:Class rating - Revision history

PlumBot: Bot: Creating new article from JSON