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🏢 '''Property and casualty insurance (P&C)''' encompasses the broad category of [[Definition:Insurance | insurance]] coverages that protect individuals and businesses against financial loss from damage to property and from [[Definition:Liability | liability]] arising out of injuries or harm caused to others. On the property side, this includes [[Definition:Homeowners insurance | homeowners]], [[Definition:Commercial property insurance | commercial property]], [[Definition:Inland marine insurance | inland marine]], and [[Definition:Auto insurance | auto physical damage]] coverages; on the casualty side, it spans [[Definition:General liability insurance | general liability]], [[Definition:Workers' compensation insurance | workers' compensation]], [[Definition:Professional liability insurance | professional liability]], and [[Definition:Commercial auto insurance | commercial auto liability]], among others. In the United States, P&C represents the largest segment of the non-life insurance market and is regulated primarily at the state level through departments of insurance.

⚙️ P&C insurers collect [[Definition:Premium | premiums]] from [[Definition:Policyholder | policyholders]], pool those funds, and pay [[Definition:Claim | claims]] when covered losses occur — a model that depends on accurate [[Definition:Underwriting | underwriting]], disciplined [[Definition:Rate-making | rate-making]], and prudent [[Definition:Reserve | reserve]] management. [[Definition:Actuarial science | Actuaries]] use historical loss data, [[Definition:Exposure | exposure]] analysis, and predictive models to price risk, while underwriters evaluate individual accounts against carrier [[Definition:Underwriting guidelines | guidelines]]. The investment income earned on [[Definition:Unearned premium | unearned premiums]] and reserves — often called "float" — adds another dimension to P&C profitability. Carriers track performance through metrics such as the [[Definition:Combined ratio | combined ratio]] and [[Definition:Loss ratio (L/R) | loss ratio]], and many transfer peak exposures to [[Definition:Reinsurer | reinsurers]] through [[Definition:Treaty reinsurance | treaty]] and [[Definition:Facultative reinsurance | facultative]] programs.

💡 P&C insurance serves as the financial backbone of economic activity: construction projects, commercial leases, vehicle ownership, and professional services all depend on the availability of affordable P&C coverage. Market cycles of [[Definition:Hard market | hard]] and [[Definition:Soft market | soft]] conditions drive pricing, capacity, and competitive dynamics in ways that ripple across the broader economy. In recent years, the sector has faced intensifying pressure from [[Definition:Climate risk | climate-related losses]], [[Definition:Social inflation | social inflation]], and rising [[Definition:Catastrophe | catastrophe]] frequency, pushing carriers toward [[Definition:Insurtech | insurtech]] innovation, advanced [[Definition:Data analytics | data analytics]], and alternative [[Definition:Capital | capital]] sources. Understanding P&C as a category is foundational to navigating virtually every other concept in the insurance industry.

'''Related concepts'''
{{Div col|colwidth=20em}}
* [[Definition:Commercial lines insurance]]
* [[Definition:Personal lines insurance]]
* [[Definition:Combined ratio]]
* [[Definition:Underwriting]]
* [[Definition:Loss ratio (L/R)]]
* [[Definition:Reinsurance]]
{{Div col end}}

Definition:Property and casualty insurance (P&C) - Revision history

PlumBot: Bot: Creating new article from JSON