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📋 '''Compound annual growth rate (CAGR)''' is a smoothed annualized measure of growth over a multi-year period, widely used in the insurance industry to describe the trajectory of [[Definition:Gross written premium (GWP) | premiums]], [[Definition:Investment portfolio | investment portfolios]], [[Definition:Embedded value (EV) | embedded value]], and other key metrics without the noise of year-to-year volatility. By calculating the constant rate at which a starting value would need to grow each year to reach its ending value, CAGR provides a single, easily comparable figure that is far more informative than quoting a string of individual annual growth rates — particularly in an industry where results in any single year can be dramatically affected by [[Definition:Catastrophe loss | catastrophe events]], reserve movements, or market dislocations.

⚙️ The calculation itself is straightforward: CAGR equals the ending value divided by the beginning value, raised to the power of one divided by the number of years, minus one. In practice, insurance companies, [[Definition:Reinsurance | reinsurers]], and [[Definition:Insurtech | insurtechs]] use CAGR extensively in strategic planning and external communication. A [[Definition:Property and casualty insurance | property-casualty]] insurer might cite a five-year premium CAGR to demonstrate disciplined growth through a full [[Definition:Insurance market cycle | underwriting cycle]], smoothing over soft-market years when rates compressed and hard-market years when they surged. [[Definition:Life insurance | Life insurers]] in Asia, where the industry has expanded rapidly, frequently present premium and [[Definition:New business value (NBV) | new business value]] CAGRs to convey their growth story to international investors. [[Definition:Private equity | Private equity]] sponsors evaluating an [[Definition:Managing general agent (MGA) | MGA]] acquisition will model premium CAGR as a proxy for the platform's scalability and market traction.

💡 While CAGR is a powerful summary statistic, experienced insurance professionals treat it with appropriate caution. It masks the path taken between start and end points: two insurers with identical five-year premium CAGRs may have had vastly different experiences — one growing steadily, the other shrinking for three years before a sharp rebound. This matters because volatility in premium volume often correlates with [[Definition:Underwriting | underwriting]] discipline, reserve adequacy, and capital strain. Analysts therefore supplement CAGR with year-by-year breakdowns, [[Definition:Combined ratio | combined ratio]] trends, and retention metrics to form a complete picture. Despite this limitation, CAGR remains a cornerstone of insurance financial analysis, earnings presentations, and [[Definition:Rating agency | rating agency]] assessments, offering a concise benchmark against which organic growth, market share gains, and long-term value creation can be measured and compared across peers and geographies.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Gross written premium (GWP)]]
* [[Definition:New business value (NBV)]]
* [[Definition:Organic growth]]
* [[Definition:Embedded value (EV)]]
* [[Definition:Insurance market cycle]]
* [[Definition:Return on equity (ROE)]]
{{Div col end}}

Definition:Compound annual growth rate (CAGR) - Revision history

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