India’s Net Interest Margin (NIM) — how much spread do banks earn?
Quick answerNet Interest Margin (NIM) is a bank’s net interest income as a share of its interest-earning assets — the core spread between what it earns on loans and pays on deposits. Indian banks run a NIM of about
3.0-3.5% system-wide (~
3.4% in FY25), but the average hides a wide split:
public-sector banks ~2.6-3.0% versus
private banks ~3.8-4.2%. Margins
expanded through FY23-FY24 as
repo hikes repriced loans faster than deposits, then
eased in FY25 as deposit costs caught up. Figures are official, rounded, approximate and revised periodically.
The chart shows NIM (%) for the banking system and for the public- and private-sector bank groups. The table below carries the same figures so the page is readable without JavaScript — for accessibility and AI answer engines.
Net Interest Margin by fiscal year and bank group (%)
| Fiscal year | System NIM | Public banks | Private banks | Note |
| FY21 | ~3.0% | ~2.6% | ~3.8% | Margins steady through the low-rate phase |
| FY22 | ~3.1% | ~2.7% | ~3.9% | Credit recovery lifts margins modestly |
| FY23 | ~3.3% | ~2.9% | ~4.1% | Repo hikes reprice loans faster than deposits -- margins expand |
| FY24 | ~3.5% | ~3.0% | ~4.2% | Peak margins as loan yields stay high |
| FY25 | ~3.4% | ~2.9% | ~4.0% | Deposit costs catch up; margins ease slightly |
Metric: net interest income / average interest-earning assets, at the scheduled-commercial-bank system level with an illustrative public- vs private-sector split. All figures are rounded and approximate; recent years are provisional and revised, and individual banks vary widely. For exact latest figures see the sources linked below.
What it means for bankers
NIM is the engine of a bank’s profit-and-loss account. A wider margin flows straight to pre-provision operating profit, giving a bank more cushion to absorb credit losses and still earn a healthy return on assets. The structural gap between public- and private-sector banks — roughly a full percentage point — is why private lenders post higher returns on equity at similar scale: they carry a richer retail and unsecured loan mix and a higher share of low-cost CASA deposits, which keeps their cost of funds down. The cyclical story is about repricing speed. When the RBI repo rate rises, external-benchmark-linked loans reset within a quarter while term deposits reprice only as they mature, so margins widen first and compress later. With a tight credit-deposit ratio forcing banks to compete harder for deposits, the latest easing in NIM is a sign that the deposit side of the balance sheet has finally caught up with the loan side.
India Net Interest Margin FAQ
What is Net Interest Margin (NIM)?
NIM is a bank's net interest income -- interest earned on loans and investments minus interest paid on deposits and borrowings -- as a percentage of average interest-earning assets. A NIM of 3.4% means the bank nets about 3.4 paise of interest income per rupee of earning assets. It is a core driver of bank profitability, alongside fee income, operating costs and credit losses.
What is the average NIM of Indian banks?
At the system level, Indian scheduled commercial banks run a NIM of roughly 3.0-3.5% -- about 3.4% in FY25. The average hides a wide gap: public-sector banks typically earn ~2.6-3.0% while private banks earn ~3.8-4.2%, helped by a richer retail loan mix and a higher CASA share. Figures are rounded and approximate.
Why did Indian banks' NIM expand and then ease?
Sharp RBI repo hikes in 2022-23 repriced floating-rate loans upward almost immediately, while deposit rates lagged as term deposits reprice only at maturity. That gap widened margins, lifting system NIM toward ~3.5% by FY24. As deposit costs caught up and competition for deposits intensified, NIM eased to ~3.4% in FY25. NIM moves with the rate cycle and the loan-vs-deposit repricing lag.
How is NIM calculated here?
As net interest income divided by average interest-earning assets, at the system level with an illustrative public/private split, by fiscal year, compiled from RBI's Report on Trend & Progress / Financial Stability Report and bank disclosures. Figures are rounded and approximate; exact NIM depends on the asset base used and the period, so treat these as direction and rough magnitude, not a precise single-bank figure.
Methodology & sources: see how BankPulse dashboards are sourced, verified & updated · machine-readable NIM JSON feed.
Source: RBI — Report on Trend & Progress of Banking in India and Financial Stability Report, plus bank financial disclosures,
rbi.org.in. NIM is net interest income / average interest-earning assets; figures are rounded and approximate and recent years are provisional and revised. We never reproduce source text verbatim. Reviewed by
Vikram Jain. Last updated 19 Jun 2026, 05:39 IST.