CAGR vs Average Annual Return: Understanding the Difference

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What CAGR Measures

CAGR is the constant yearly growth rate that would turn the initial investment into the final value, assuming profits are reinvested each year. It smooths out volatility by using compounding.

How Average Annual Return Is Calculated

The average annual return adds up each year’s percentage gain and divides by the number of years. It treats each year’s return independently and does not account for the effect of reinvested earnings.

Why the Numbers Diverge

Because CAGR compounds returns, it will be lower than the simple average when early years are strong and higher when early years are weak. The arithmetic mean ignores the order of returns, so the two figures rarely match.

When to Use Each Metric

Use CAGR to compare long‑term growth of investments that are left to compound, such as mutual funds or retirement accounts. Use the average annual return for quick snapshots of yearly performance, especially when returns are roughly consistent.

Using the CAGR Calculator

Enter the start value, end value, and number of years in the CAGR Calculator on our site to see the exact compounded growth rate. The tool instantly shows why this figure differs from a simple average.

Further reading: Reserve Bank of India.

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