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Compounding vs Inflation

Compounding vs. Inflation: Are You Really Growing Your Wealth?

Introduction: If You Are Not Investing, You Are Losing Money Every Day

Saving money alone is no longer enough in today’s economic environment. If you have not started investing, inflation is silently eroding your wealth every single day, even if your bank balance appears stable or slowly increasing. This silent erosion often goes unnoticed because inflation does not reduce the number in your account—it reduces what that number can buy.

In India, long-term average retail inflation has hovered around 5–6%. This means your money must grow at least at this pace just to stand still. Any return below inflation results in a negative real return, making you poorer in real terms despite nominal growth.

The real concern, therefore, is not whether your money is growing, but whether it is growing faster than inflation. This blog explains the ongoing battle of compounding vs inflation, how each force works, and why generating positive real returns on investment is essential for long-term wealth building.

Compounding vs. Inflation: The Basic Difference

Compounding and inflation are two powerful forces that work continuously over time—but in opposite directions.

  • Compounding grows wealth by earning returns not only on the original principal but also on accumulated returns. Each year, returns are calculated on a higher base, causing growth to accelerate over time.
  • Inflation reduces purchasing power by steadily increasing the cost of goods and services. Over long periods, even moderate inflation can drastically reduce the real value of money.

Simply put, compounding acts as a tailwind that pushes wealth forward, while inflation acts as a headwind that slows it down. Over short periods, this difference may appear small. Over decades, however, it becomes decisive—often determining whether financial needs are comfortably met or permanently compromised.

Compounding vs Inflation: What Happens to ₹10 Lakh Over Time?

The long-term impact of these two forces becomes clear when we compare them side by side.

Particulars Compounding Effect (12% Returns) Inflation Effect (6% Inflation)
After 5 years ₹17.6 lakh ₹7.5 lakh
After 10 years ₹31.1 lakh ₹5.6 lakh
After 15 years ₹54.7 lakh ₹4.2 lakh
After 20 years ₹96.5 lakh ₹3.1 lakh

Assuming Investment in Equity Funds and an average return of 12.62% p.a as per AMFI Best Practice Guidelines Circular No. 109-A /2024-25, Dated September 10, 2024. “Past performance may or may not be sustained in future and is not a guarantee of any future returns”.

The same ₹10 lakh can grow to nearly ₹1 crore through compounding at 12% over 20 years. In contrast, if the money remains idle, assuming inflation of 6%, its purchasing power shrinks to just ₹3.1 lakh in today’s terms.

This highlights a crucial reality: inflation does not destroy money outright—it destroys future choices. What seems like a large sum today may barely cover a few months of expenses decades later if it does not compound faster than inflation.

How Compounding Works: The Tailwind

The Snowball Effect

Compounding works by reinvesting returns so that money earns returns on both the principal and past gains. In the early years, growth appears modest, leading many investors to underestimate its impact or abandon investments prematurely.

However, over time, the effect becomes exponential. At a 12% annual return, a significant portion of the final corpus over 20 years is generated in the later years, not from the initial investment but from accumulated returns. This is why staying invested matters far more than frequent buying and selling.

Assuming Investment in Equity Funds and an average return of 12.62% p.a as per AMFI Best Practice Guidelines Circular No. 109-A /2024-25, Dated September 10, 2024. “Past performance may or may not be sustained in future and is not a guarantee of any future returns”.

Time Is the Key Ingredient

Time is the most critical factor in compounding. The earlier investments begin, the more compounding cycles they experience. This allows even small, regular contributions to grow into substantial wealth.

As highlighted in the article “Investing Is a Long-Term Journey” by Mr. Misbah Baxamusa (CEO of NJ Wealth), wealth building is not about predicting market movements but about remaining invested through market cycles. In investing, time reduces effort, while delay increases pressure by forcing higher savings later in life.

How Inflation Works: The Headwind

Erosion of Value

Inflation steadily increases the cost of living. For example, an item that costs ₹100 today will cost approximately ₹179 after 10 years at a 6% inflation rate. Over 20 years, the same item would cost more than ₹320.

This explains why long-term needs such as retirement or children’s education require far higher amounts in the future than they do today.

The “Leaking Bucket” Effect

Low-yield savings instruments behave like a leaking bucket. While interest adds money slowly, inflation continuously drains purchasing power. For instance, if a savings account offers 3.5% interest while inflation averages 6%, the investor loses around 2.5% of purchasing power every year.

Over a decade or more, this silent erosion can significantly weaken financial security.

The Battle: Compounding vs. Inflation

Understanding Real Return

True wealth building depends on real returns, not nominal returns.

Real Rate of Return = Investment Return – Inflation Rate

Example:

  • Investment return: 8%
  • Inflation: 6%
  • Real return: 2%

If the real return is low or negative, wealth erodes over time—even if investment values appear higher on paper. This is a common trap for conservative investors who prioritise safety over growth.

Inflation Also Compounds

Inflation compounds annually, just like investments.

  • Annual household expense today: ₹3 lakh
  • Inflation rate: 6%
  • Expense after 10 years: ~₹5.37 lakh per year

Expenses rise automatically, regardless of income growth. This makes inflation-beating investments a necessity rather than a choice.

Strategies to Win the Battle

  1. Invest in Growth Assets

Asset classes that have historically beaten inflation include:

  • Equity mutual funds
  • Direct equities
  • Real estate

As represented by broad-based indices like the Nifty 50 and Sensex (TRI), Indian equity markets have historically delivered 11–12% long-term returns, comfortably exceeding inflation despite short-term volatility. Platforms like NJ Wealth help investors access equity mutual funds and SIPs in a structured, disciplined manner—making it easier to stay invested and benefit from compounding.

  1. Be Strategic With Savings

Savings accounts and liquid funds should be reserved for emergencies and short-term needs. Long-term investments in growth assets should remain untouched to allow compounding to work uninterrupted. Mixing the two often disrupts long-term wealth building.

  1. Start Early and Stay Consistent

Every day of delay weakens compounding and increases future savings pressure. Starting early allows investors to invest smaller amounts while still achieving large long-term objectives. If you haven’t started investing, you are losing money every single day to inflation.

Rule of 72: A Reality Check

The Rule of 72 helps estimate how quickly money grows—or loses value:

  • 72 ÷ investment return = years to double money
  • 72 ÷ inflation rate = years to double expenses 

At 6% inflation, purchasing power halves in approximately 12 years, showing how relentlessly inflation works—invest or not.

Conclusion

Compounding and inflation are always at work. One builds wealth patiently, while the other erodes it silently. Investors cannot avoid either force; they can only choose which one dominates.

In today’s environment, not investing is a guaranteed loss. Wealth is created only when compounding consistently outpaces inflation and delivers positive real returns over the long term.

FAQs

Q) What is compounding vs inflation?
Compounding grows money through reinvested returns, while inflation reduces purchasing power over time.

Q) What is a good real rate of return?
A long-term real return of 3–5% or more is generally considered healthy. Though higher the better. 

Q) Are savings accounts enough to beat inflation?
No. Most savings accounts fail to generate positive real returns after inflation.

Q) Why is starting early important?
Starting early gives compounding more time to accelerate growth.

Q) Can SIPs help fight inflation?
Yes. SIPs promote disciplined investing and long-term compounding in equity mutual funds.


Sources:

  • Reserve Bank of India (RBI) – Inflation Data
  • Ministry of Statistics and Programme Implementation (MOSPI)
  • World Bank – Inflation Indicators
  • Historical Indian equity market return data