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	🧮 '''Actuary''' is a ~~credentialed~~ ~~professional~~ who uses mathematics, statistics, and financial theory to ~~evaluate~~ [[Definition:Risk \| risk]] ~~and its economic consequences. Within~~ the [[Definition:Insurance \| insurance]] industry, ~~actuaries~~ ~~are~~ ~~the~~ ~~specialists~~ ~~responsible~~ ~~for~~ ~~determining~~ ~~how~~ ~~much~~ an [[Definition:Insurance ~~carrier~~ \| ~~insurer~~]] ~~should charge in~~ [[Definition:Premium \| ~~premiums~~]], ~~how~~ ~~much~~ it ~~should~~ ~~hold~~ in [[Definition:Claim ~~reserve~~ \| ~~reserves~~]], and ~~whether~~ it ~~has~~ ~~enough~~ [[Definition:~~Capital~~ \| ~~capital~~]] to ~~withstand~~ ~~adverse~~ ~~scenarios~~.		🧮 '''Actuary''' is a professionally qualified specialist who uses mathematics, statistics, and financial theory to measure and manage [[Definition:Risk \| risk]] within the [[Definition:Insurance carrier \| insurance]] industry and related financial sectors. In insurance, actuaries are indispensable: they design [[Definition:Insurance product \| products]], set [[Definition:Premium \| premium]] rates, estimate [[Definition:Reserve \| reserves]] for unpaid [[Definition:Claim \| claims]], assess the [[Definition:Solvency \| solvency]] of insurers, and model the financial impact of catastrophic and emerging risks. The profession requires rigorous credentialing — in the United States, the [[Definition:Society of Actuaries (SOA) \| Society of Actuaries (SOA)]] and the [[Definition:Casualty Actuarial Society (CAS) \| Casualty Actuarial Society (CAS)]] administer fellowship examinations, while the Institute and Faculty of Actuaries (IFoA) credentials actuaries in the United Kingdom, and analogous bodies operate in Canada, Australia, Japan, China, and across continental Europe.

			🔧 Within an insurance organization, actuaries occupy roles that span the entire business. [[Definition:Pricing \| Pricing]] actuaries develop [[Definition:Actuarial rate-making \| rate-making]] models and file rates with [[Definition:Regulator \| regulators]]. [[Definition:Reserving \| Reserving]] actuaries estimate [[Definition:Incurred but not reported (IBNR) \| IBNR]] liabilities and sign [[Definition:Actuarial opinion \| statements of actuarial opinion]] required by law in most jurisdictions. [[Definition:Enterprise risk management (ERM) \| ERM]] actuaries build [[Definition:Capital modeling \| capital models]] that quantify the insurer's exposure to extreme scenarios under frameworks such as [[Definition:Solvency II \| Solvency II]], the [[Definition:Risk-based capital (RBC) \| RBC]] system in the United States, or [[Definition:C-ROSS \| C-ROSS]] in China. In [[Definition:Life insurance \| life]] companies, actuaries perform [[Definition:Cash flow testing \| cash flow testing]] and [[Definition:Asset-liability management (ALM) \| asset-liability management]]. Many insurers designate a [[Definition:Chief actuary \| chief actuary]] or [[Definition:Appointed actuary \| appointed actuary]] who serves as the senior technical authority and, in some jurisdictions, bears personal statutory responsibility for the adequacy of [[Definition:Technical provisions \| technical provisions]]. The [[Definition:Actuarial function \| actuarial function]] is also formally recognized under Solvency II as one of the four key governance functions every European insurer must maintain.
	📋 Day-to-day, an actuary's work varies by specialty. A [[Definition:Pricing actuary \| pricing actuary]] builds [[Definition:Rating algorithm \| rating algorithms]] that translate risk characteristics into prices, while a [[Definition:Reserving actuary \| reserving actuary]] estimates the ultimate cost of [[Definition:Insurance claim \| claims]] that have already occurred but are not yet fully settled. Others focus on [[Definition:Enterprise risk management (ERM) \| enterprise risk management]], [[Definition:Reinsurance \| reinsurance]] optimization, or [[Definition:Product development \| product development]]. Regardless of specialty, the work revolves around constructing models, testing assumptions, and communicating findings to executives and [[Definition:Insurance regulator \| regulators]] who rely on those conclusions to make high-stakes decisions.

			🌍 The profession's influence extends well beyond the technical back office. Actuaries increasingly serve as [[Definition:Chief risk officer (CRO) \| chief risk officers]], [[Definition:Chief financial officer (CFO) \| chief financial officers]], and [[Definition:Chief executive officer (CEO) \| CEOs]] of major insurance groups, bringing quantitative discipline to strategic decision-making. In the [[Definition:Insurtech \| insurtech]] ecosystem, actuaries collaborate with data scientists to build [[Definition:Predictive model \| predictive models]] that enhance [[Definition:Underwriting \| underwriting]] and [[Definition:Claims management \| claims]] processes — though the actuary's unique contribution lies in combining statistical rigor with deep domain knowledge of insurance regulation, contract law, and long-horizon financial obligations. As the industry confronts [[Definition:Climate risk \| climate change]], [[Definition:Cyber risk \| cyber risk]], and pandemic exposure, actuaries are at the center of efforts to quantify threats that lack extensive historical data, applying professional judgment within the guardrails of [[Definition:Actuarial standard of practice (ASOP) \| actuarial standards of practice]] to guide an industry that depends on their expertise.
	🏛️ Because their opinions directly affect the financial soundness of institutions that protect millions of [[Definition:Policyholder \| policyholders]], actuaries operate under strict professional standards and codes of conduct enforced by credentialing organizations such as the Society of Actuaries and the Casualty Actuarial Society. An [[Definition:Appointed actuary \| appointed actuary's]] sign-off on an insurer's reserves carries legal weight in many jurisdictions. This blend of technical depth and professional accountability makes the actuarial role a cornerstone of sound [[Definition:Insurance regulation \| insurance regulation]] and corporate governance.

	'''Related concepts'''		'''Related concepts:'''
	{{Div col\|colwidth=20em}}		{{Div col\|colwidth=20em}}
	* [[Definition:Actuarial science]]		* [[Definition:Actuarial science]]
	* [[Definition:~~Actuarial~~ ~~analysis~~]]		* [[Definition:Society of Actuaries (SOA)]]
		⚫	* [[Definition:Casualty Actuarial Society (CAS)]]
		⚫	* [[Definition:Actuarial opinion]]
		⚫	* [[Definition:Chief actuary]]
	* [[Definition:Appointed actuary]]		* [[Definition:Appointed actuary]]
⚫	* [[Definition:~~Loss~~ ~~reserving~~]]
⚫	* [[Definition:~~Pricing~~ ~~model~~]]
⚫	* [[Definition:~~Enterprise~~ ~~risk~~ ~~management~~ (~~ERM~~)]]
	{{Div col end}}		{{Div col end}}

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🧮 '''Actuary''' is a credentialed professional who uses mathematics, statistics, and financial theory to evaluate [[Definition:Risk | risk]] and its economic consequences. Within the [[Definition:Insurance | insurance]] industry, actuaries are the specialists responsible for determining how much an [[Definition:Insurance carrier | insurer]] should charge in [[Definition:Premium | premiums]], how much it should hold in [[Definition:Claim reserve | reserves]], and whether it has enough [[Definition:Capital | capital]] to withstand adverse scenarios.

📋 Day-to-day, an actuary's work varies by specialty. A [[Definition:Pricing actuary | pricing actuary]] builds [[Definition:Rating algorithm | rating algorithms]] that translate risk characteristics into prices, while a [[Definition:Reserving actuary | reserving actuary]] estimates the ultimate cost of [[Definition:Insurance claim | claims]] that have already occurred but are not yet fully settled. Others focus on [[Definition:Enterprise risk management (ERM) | enterprise risk management]], [[Definition:Reinsurance | reinsurance]] optimization, or [[Definition:Product development | product development]]. Regardless of specialty, the work revolves around constructing models, testing assumptions, and communicating findings to executives and [[Definition:Insurance regulator | regulators]] who rely on those conclusions to make high-stakes decisions.

🏛️ Because their opinions directly affect the financial soundness of institutions that protect millions of [[Definition:Policyholder | policyholders]], actuaries operate under strict professional standards and codes of conduct enforced by credentialing organizations such as the Society of Actuaries and the Casualty Actuarial Society. An [[Definition:Appointed actuary | appointed actuary's]] sign-off on an insurer's reserves carries legal weight in many jurisdictions. This blend of technical depth and professional accountability makes the actuarial role a cornerstone of sound [[Definition:Insurance regulation | insurance regulation]] and corporate governance.

'''Related concepts'''
{{Div col|colwidth=20em}}
* [[Definition:Actuarial science]]
* [[Definition:Actuarial analysis]]
* [[Definition:Appointed actuary]]
* [[Definition:Loss reserving]]
* [[Definition:Pricing model]]
* [[Definition:Enterprise risk management (ERM)]]
{{Div col end}}

Definition:Actuary - Revision history

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