Old vs New Tax Regime: Which One Leaves More in Your Salary?

Updated on June 13, 2026

The Question Every Salaried Employee Is Asking

Since the government overhauled income tax slabs in 2020 and then doubled down with further tweaks in 2023, the same question echoes across every office pantry and HR email thread: should I stick with the old regime or switch to the new one? The honest answer is that there is no universal winner. The better regime depends on how much you earn, how aggressively you invest, and whether you actually use the deductions the old system dangles in front of you.

This article cuts through the noise by running the numbers across four realistic income brackets — ₹5 LPA, ₹10 LPA, ₹15 LPA, and ₹25 LPA — using actual deduction scenarios that salaried employees live with every day. By the end, you will have a clear mental model for making the call yourself.

A Quick Recap: What Actually Changed

Under the old regime, you pay tax at higher slab rates but get to subtract a long list of deductions — HRA, standard deduction, 80C investments (up to ₹1.5 lakh), 80D health insurance premiums, home loan interest under Section 24, NPS contributions under 80CCD(1B), and more. The logic is: invest and save to reduce your taxable income.

Under the new regime (updated from FY 2023-24 onwards), the slab rates are lower and a ₹50,000 standard deduction was added, but nearly all the popular deductions vanish. You pay on a higher base but at gentler rates. Budget 2024 pushed the basic exemption limit to ₹3 lakh and introduced a rebate that makes income up to ₹7 lakh effectively tax-free under the new regime.

Here are the two slab structures side by side for quick reference:

  • Old regime slabs: Up to ₹2.5L = nil; ₹2.5L–₹5L = 5%; ₹5L–₹10L = 20%; above ₹10L = 30%
  • New regime slabs (FY 2024-25): Up to ₹3L = nil; ₹3L–₹7L = 5%; ₹7L–₹10L = 10%; ₹10L–₹12L = 15%; ₹12L–₹15L = 20%; above ₹15L = 30%

Income Band 1: ₹5 LPA — New Regime Wins Easily

Take someone earning ₹5 lakh per year. Under the new regime, after the ₹50,000 standard deduction, taxable income drops to ₹4.5 lakh — and since the Section 87A rebate covers tax liability up to ₹7 lakh gross income, the effective tax outgo is zero.

Under the old regime, even with a full ₹1.5 lakh 80C investment and the ₹50,000 standard deduction, taxable income lands at ₹3 lakh. Tax works out to ₹2,500 (5% on ₹50,000 above the ₹2.5L slab), but the 87A rebate wipes this out too — so again, zero tax.

At this income level both regimes result in the same take-home. But the new regime is far less hassle — no proofs, no declarations, no scrambling to show your LIC premium receipts to HR in January. For someone at ₹5 LPA, especially one who is not genuinely investing in 80C instruments anyway, the new regime is the smarter default.

Income Band 2: ₹10 LPA — The Deduction Tipping Point

This is where the comparison genuinely splits. At ₹10 LPA, it depends almost entirely on how much you can claim in deductions.

Under the new regime: Gross ₹10L minus ₹50,000 standard deduction = ₹9.5L taxable. Tax = nil on first ₹3L + 5% on next ₹4L (₹20,000) + 10% on ₹2.5L (₹25,000) = ₹45,000 tax (before cess).

Under the old regime with a realistic deduction stack:

  • Standard deduction: ₹50,000
  • 80C (PF + ELSS + LIC): ₹1,50,000
  • 80D (health insurance for self + parents): ₹50,000
  • HRA (if you live in a rented home in a non-metro): ~₹60,000
  • NPS 80CCD(1B): ₹50,000

Total deductions: ₹3,60,000. Taxable income = ₹6,40,000. Tax = nil on ₹2.5L + 5% on next ₹2.5L (₹12,500) + 20% on ₹1,40,000 (₹28,000) = ₹40,500.

The old regime saves about ₹4,500 annually here — not dramatic, but the gap widens sharply if you add home loan interest. A person with a ₹40 lakh home loan paying ₹2 lakh as annual interest can claim Section 24(b), cutting taxable income by another ₹2 lakh and saving roughly ₹40,000 more in tax. At ₹10 LPA with a home loan, old regime wins clearly.

Income Band 3: ₹15 LPA — Old Regime Wins If You Play the Game

At ₹15 LPA, the new regime taxes ₹14.5L (after standard deduction) at roughly ₹1,50,000 in tax (including 4% cess: ~₹1,56,000).

Under the old regime, layer in the same deductions as above — ₹50K standard, ₹1.5L 80C, ₹50K 80D, ₹75K HRA (metro or near-metro), ₹50K NPS, ₹2L home loan interest. That's ₹5,25,000 in total deductions. Taxable income = ₹9,75,000. Tax = ₹1,12,500 + 4% cess = ~₹1,17,000.

The old regime saves nearly ₹39,000 per year, which translates to roughly ₹3,250 extra in-hand every month. At this salary, that gap is meaningful — it covers a month's grocery bill or a weekend trip.

The catch: you have to actually invest ₹1.5 lakh in 80C instruments, hold a valid health insurance policy, and either rent a home or service a home loan. If your actual deduction usage is closer to ₹1–1.5 lakh total (say, just PF and standard deduction), the new regime edges ahead because its middle slabs are significantly gentler.

Income Band 4: ₹25 LPA — Old Regime Almost Always Dominates

At ₹25 LPA, the new regime results in a tax liability of approximately ₹3,90,000 (with cess, on ₹24.5L taxable income).

For the old regime, a typical corporate professional at this level often has: EPF contributions embedded in CTC (80C covered automatically), a ₹1.5L additional ELSS/insurance, a ₹60–80L home loan in a metro (interest ₹4–5L, but Section 24 caps the deduction at ₹2L), 80D premium ₹75K (self, spouse, parents), NPS ₹50K, Leave Travel Allowance ₹20K, and HRA for those still renting.

Conservative stack (excluding HRA): ₹50K + ₹1.5L + ₹2L + ₹75K + ₹50K = ₹5,25,000. Taxable income = ₹19,75,000. Tax = ₹2,50,000 + 30% on ₹9,75,000 (₹2,92,500) = ₹5,42,500 — wait, that's higher. Let me be precise: under old slabs, tax on ₹19.75L = 5% on ₹2.5L (₹12,500) + 20% on ₹5L (₹1,00,000) + 30% on ₹9.75L (₹2,92,500) = ₹4,05,000 + 4% cess = ₹4,21,200.

New regime: ₹3,90,000 with cess. Here, the new regime is actually cheaper by ~₹31,000 — but this is without HRA. If this person rents in Mumbai or Bengaluru and claims ₹1.5–2L as HRA exemption on top, the old regime pulls ahead again.

The lesson at ₹25 LPA: HRA is often the deciding deduction. If you own your home outright (no loan, no rent), the new regime may surprisingly edge out even at high incomes. If you're renting in a metro, old regime typically wins by ₹40,000–₹80,000 per year.

A Practical Decision Framework

Rather than calculating from scratch every year, use this mental checklist:

  1. Add up your real deductions honestly — not what you plan to invest, but what you already have or will definitely do: PF, active insurance, rent receipts, actual LIC payments. Wishful deductions don't count.
  2. If total deductions exceed ₹3.75 lakh, the old regime is almost always better above ₹10 LPA.
  3. If you have a home loan on a ₹50L+ property in a metro, the old regime wins at virtually every salary level above ₹8 LPA.
  4. If you claim minimal deductions (just standard deduction and PF), the new regime is simpler and often saves money — especially between ₹7–12 LPA.
  5. Use your employer's payroll calculator or Form 16 projections in April — most payroll tools now let you toggle between regimes and show the annual difference within seconds.

The One Thing Most Articles Won't Tell You

The regime comparison is not permanent. You can switch from old to new (and back, with some restrictions) at the time of filing your ITR — even if you submitted a declaration to HR at the start of the year. HR deducts TDS based on the regime you declared, but your actual tax liability is settled at filing time. This means you have the flexibility to run the final numbers in March, compare both options once your actual deductions are known, and choose accordingly.

The only exception: if you have business income under the head "Profits and Gains of Business or Profession," switching back from the new regime to the old one is restricted after the first switch. For pure salaried employees with no side business, this limitation does not apply — you genuinely get to pick afresh every year.

Bottom Line

The new tax regime is genuinely better for people who invest little, earn below ₹10 LPA, or simply want fewer compliance headaches. The old regime rewards disciplined investors, home loan borrowers, and anyone paying significant rent in a metro city — typically those earning ₹10 LPA and above who can legitimately stack ₹3L+ in deductions. Run the actual numbers every April before submitting your declaration, because a ₹30,000–₹80,000 swing in annual tax is not something worth leaving to habit or guesswork.