Updated 2026-07-13

What Happens If You Step Up SIP 10% Every Year?

Flat ₹10K/month SIP for 20 years: ₹99.9L. Same ₹10K with 10% annual step-up: ₹1.96 Cr. That's nearly double the corpus from the same starting point. Here is the year-by-year breakdown of what a 10% step-up actually does to your investments.

Year	Monthly SIP	Yearly Investment	Flat SIP Corpus	Step-Up Corpus
1	₹10,000	₹1.20L	₹1.27L	₹1.27L
5	₹14,641	₹1.76L	₹8.25L	₹9.80L
10	₹23,579	₹2.83L	₹23.2L	₹33.6L
15	₹38,360	₹4.60L	₹50.5L	₹88.3L
20	₹61,159	₹7.34L	₹99.9L	₹1.96 Cr

The Year-by-Year Breakdown

Here's how a 10% annual step-up transforms your ₹10K starting SIP over 20 years:

Year 1: ₹10K/month. Both flat and step-up are identical.
Year 5: You're investing ₹14.6K/month (₹1.76L/year). Step-up corpus: ₹9.8L vs flat ₹8.25L. Difference: ₹1.55L.
Year 10: You're investing ₹23.6K/month (₹2.83L/year). Step-up corpus: ₹33.6L vs flat ₹23.2L. Difference: ₹10.4L.
Year 15: You're investing ₹38.4K/month (₹4.6L/year). Step-up corpus: ₹88.3L vs flat ₹50.5L. Difference: ₹37.8L.
Year 20: You're investing ₹61.2K/month (₹7.3L/year). Step-up corpus: ₹1.96 Cr vs flat ₹99.9L. Difference: ₹96.1L.

The gap widens exponentially because step-up has two compounding engines: the market compounding your investments AND your investment amount compounding by 10% each year.

The Post-Tax Reality

After LTCG tax at 12.5%, the step-up advantage is still enormous:

Flat SIP post-tax: ₹90.6L (₹24L invested, ₹66.6L gains)
Step-up SIP post-tax: ₹1.74 Cr (₹68.7L invested, ₹1.05 Cr gains)
Post-tax difference: ₹83.4L — you get 92% more spendable money

Even after paying LTCG tax on the larger gains, the step-up SIP investor walks away with nearly double the flat SIP investor's corpus.

Why 10% Is the Magic Number

A 10% annual step-up is recommended because:

Matches salary growth: Average Indian salaried worker gets 8-15% annual hikes. 10% step-up means your SIP stays the same percentage of income — you don't feel the increase.
Beats inflation: With 6% inflation, flat SIP's real investment value drops every year. 10% step-up gives you 4% real growth in investment amount.
Affordable for 20+ years: Starting at ₹10K at age 25, by 45 your SIP is ₹67K/month. If your salary grew from ₹6L to ₹30L over the same period, this is 27% of income — high but doable.

How to Set Up 10% Step-Up SIP

Choose a platform that supports auto step-up: Groww, Kuvera, and most AMC websites (HDFC MF, SBI MF, ICICI MF) offer automatic annual step-up.
Set step-up date on your salary hike month: If your appraisal is in April, set the step-up to trigger every April. The increase happens before lifestyle inflation eats your raise.
Use the "excess" wisely: If your hike is 15% and you step-up SIP by 10%, you have 5% extra take-home for lifestyle. This prevents the feeling of "never getting a real raise."
If auto step-up isn't available: Create a new additional SIP of 10% of your original amount each year. Multiple SIPs in the same fund work identically to one stepped-up SIP.

What If You Can't Step Up Every Year?

Life happens. Job loss, medical emergency, unexpected expenses. The beauty of step-up SIP:

You can pause the step-up for a year (continue flat)
You can reduce the step-up percentage (from 10% to 5%)
You can skip a year and resume the next year

Even if you step up only 5 out of 20 years, you still end up with more than a flat SIP. Use the SIP calculator with the step-up feature to model your own scenario — try different step-up percentages and durations to find what fits your career trajectory.

Frequently Asked Questions

How does a 10% step-up SIP work exactly?

You start with a base amount, say ₹10K/month. Each year, your SIP amount increases by 10%. Year 1: ₹10K/month. Year 2: ₹11K/month. Year 3: ₹12.1K/month. Year 10: ₹23.6K/month. Year 20: ₹61.2K/month. Most platforms (Groww, Kuvera, Zerodha Coin) offer automatic step-up. The key is the increase matches your salary growth, so the percentage of income invested stays constant.

What is the total corpus from ₹10K SIP with 10% yearly step-up over 20 years?

At 12% CAGR: flat ₹10K SIP = ₹99.9L (₹24L invested). Step-up SIP (10%/yr) = ₹1.96 Cr (₹68.7L invested). The step-up gives you 96% more corpus. After LTCG tax: flat = ₹90.6L, step-up = ₹1.74 Cr. The step-up corpus is nearly double even after tax.

At what point does the step-up SIP amount become too high?

If you start at ₹10K with 10% step-up: year 10 SIP is ₹23.6K/month, year 15 is ₹38.4K/month, year 20 is ₹61.2K/month. For most careers, salaries grow from ₹5L at 25 to ₹30L+ at 45 — so ₹61K/month is 24% of ₹30L salary, which is reasonable. If your salary growth stalls, you can pause or reduce the step-up anytime. It's flexible, not a contract.

Can I step up SIP by more than 10%?

Yes. 15% step-up is common for aggressive investors early in their career (age 22-30) when salary jumps are highest. At 15% step-up: ₹10K SIP → ₹3.41 Cr over 20 years (vs ₹1.96 Cr at 10% and ₹99.9L flat). But be realistic: 15% yearly increase for 20 years means year 20 SIP = ₹1.63L/month. Only worth it if your income actually grows that fast.

What happens if I step up by a fixed amount instead of percentage?

A fixed ₹1,000/year step-up (₹10K → ₹11K → ₹12K) gives a different trajectory than 10% (₹10K → ₹11K → ₹12.1K). Over 20 years: ₹1,000 fixed step-up = ₹1.60 Cr (10% extra vs flat). 10% percentage step-up = ₹1.96 Cr (96% extra). Percentage step-up is better because it compounds: you increase by 10% of current amount, which grows naturally with your salary.

Try it yourself → SIP Calculator