SIP Step-Up: The Most Underused Wealth-Building Lever
A 10% annual SIP step-up transforms a ₹10,000/month investment into a 3x larger corpus compared to flat contributions. Here is the math and how to implement it.
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SIP Step-Up: The Most Underused Wealth-Building Lever
Most investors start a ₹5,000/month SIP and forget about it for five years. The problem: inflation erodes the real value of your contribution over time, and your salary has probably grown.
What Is a Step-Up SIP?
A step-up (or top-up) SIP automatically increases your monthly contribution by a fixed percentage each year. Most AMC platforms support this. A 10% annual step-up is the standard recommendation.
The Numbers
Assume ₹10,000/month starting SIP, 12% CAGR, 20-year horizon:
- Without step-up: ₹10,000/month → ₹98L corpus
- With 10% annual step-up: Year 1: ₹10K, Year 2: ₹11K, Year 3: ₹12.1K... → ₹2.9 crore corpus
The same 12% return assumption produces a 3x difference in outcome.
Why 10%?
Average salary growth for Indian professionals is 8–12%/year. Targeting 10% SIP step-up ensures your investment rate grows at least in line with income. You do not feel the increase — it comes from the raise.
Implementation
Most AMCs (Zerodha Coin, Groww, MF Central) allow step-up SIPs at setup. If your AMC does not support it, calendar a yearly reminder to manually increase the SIP.
The Compounding Effect
The power is not just in the higher amount — it is in the timing. Early years of wealth-building have the longest compounding runway. A rupee invested at age 30 is worth far more than one invested at 40.
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