From seventeen to ninety, three decades of rupee decline

Source: Subhankar Kumar Mahato on Pexels.com

On January 1, 1991, one US dollar was worth about 17 Indian rupees. Today it is worth nearly 96. That journey from seventeen to ninety is not a crash. It is a slow, grinding decline of 3.5% to 4.5% a year for 34 years.

In 2026, that slow slide has become a sharp fall. The rupee is down 7-8% year-to-date, hitting a fresh all-time low near Rs 96 per US dollar, making it Asia’s worst-performing currency for the second year running. What makes 2026 different is not just the dollar. Since May 2025, the rupee has also lost 12-13% against the Pakistani rupee — even though the Pakistani rupee itself was one of the world’s weakest currencies in 2023.

So two questions need answering- why is the long-term decline so consistent, and why is 2026 looking more India-specific than global?

The Long Arc- 1991 to 2026 – Why 3.5% to 4.5% A Year Is Normal

After the 1991 liberalisation, India moved from a fixed exchange rate to a managed float. Since then, the rupee has depreciated in almost every year. This is not mysterious. It is textbook economics.

Inflation differential- India’s inflation has averaged 6- 7% since 1991; US inflation 2- 3%. If prices rise faster in India, the currency must weaken to keep exports competitive. That alone explains 3-4% annual depreciation.

Current account deficit- India imports more than it exports, mainly oil, electronics, and gold. That structural deficit means constant demand for dollars.

Productivity and interest rates- The US has higher productivity growth and, since 2022, much higher interest rates, pulling capital to dollars.

From 1991 to 2008, the rupee went from 17 to 40. From 2008 to 2013, it went from 40 to 68 during the taper tantrum. From 2013 to 2024, it went from 68 to 83. And in the last 20 months, it went from 83 to 96.

It is a staircase, not an elevator. RBI intervenes to smooth it, not to reverse it. Reserves of $580-640 billion are used to prevent volatility, not to defend a level.

Why 2026 Is Different- 50% Tariff, Outflows And Dollar Strength

This year’s fall is steeper than the trend. Three drivers:

A 50% US tariff on Indian exports- In early 2026, the US imposed a steep 50% reciprocal tariff on a wide basket of Indian goods, textiles, engineering, auto components, and shrimp, citing market access. India’s exports to the US, worth about $80 billion, are directly hit. Exporters are getting fewer dollars, and future dollar inflows look weaker. The market has priced that in.

Foreign investor outflows- FPIs have been net sellers of Indian equities for 9 of the last 12 months, pulling out over $ 18- 20 billion in 2026 alone. They are rotating to US AI stocks where rates are 5%+, and to other EMs with cheaper valuations. When FPIs sell, they convert rupees to dollars; the rupee falls.

Broad dollar strength- the DXY dollar index is near 106- 108, up on the Fed holding rates high and safe-haven demand. Almost every emerging market currency is down. But the rupee is down more than the Indonesian rupiah, Mexican peso or Brazilian real, hence “Asia’s worst.”

RBI has been less aggressive in defending this time, allowing a more market-driven adjustment rather than burning $30-40 billion in reserves.

The Pakistan Rupee Twist- Losing Even When Pakistan Was Weak

This is the most notable part of 2026. In 2023, the Pakistani rupee (PKR) collapsed to 300+ per dollar, after near-default, inflation of 38%, and political chaos. India looked far stronger.

Since mid-2023, Pakistan entered a strict IMF Stand-By Arrangement and Extended Fund Facility. IMF conditions — tight monetary policy, cutting energy subsidies, floating PKR — actually stabilised it. PKR has traded in a narrow band of 278-285 per dollar for over a year.

Result: From May 2025 to May 2026, INR fell 12-13% against PKR.

To be clear: 1 INR still buys about 2.95-3.0 PKR today. So technically, the Indian rupee remains the stronger currency in absolute terms. If you exchange 1 rupee in Delhi, you still get more than 2 Pakistani rupees.

But the direction matters. A year ago, 1 INR bought ∼3.35 PKR. Now it buys ∼2.95 PKR. That is a loss of value specifically against a currency that itself is under IMF control and is not strong globally.

That suggests the market is pricing an India-specific risk, not just a global dollar story. When you lose against both the dollar and a neighbouring currency that is otherwise flat, it’s about your own fundamentals — tariff shock, outflow, and growth downgrade fears.

What Does A Weaker Rupee Mean?

Negatives
Imported inflation: oil, fertiliser, electronics become costlier. With India importing 88% of its oil, a fall from 83 to 96 adds Rs 6-7 per litre potential if not subsidised.
External debt servicing gets costlier for companies that borrowed in dollars.
FPI sentiment turns more negative; a falling rupee reduces dollar returns.
Positives
Exporters in services, IT, which earn 55-60% in dollars — get a margin boost. A weaker rupee is good for Infosys and TCS earnings.
Remittances — $125 billion last year- are worth more in rupees for families.

For RBI, the trade-off is difficult. If it defends too hard, it loses reserves. If it lets it fall too fast, inflation rises.

From Seventeen To Ninety- Is It Failure?

Not exactly. Every high-inflation emerging economy sees this. Turkish Lira went from 1.5 to 34 per dollar in 15 years. South African Rand went from 7 to 19. The rupee’s 3.5-4.5% annual decline is actually moderate compared to many peers.

The real test is not the level, but whether depreciation comes with higher productivity. In 1991-2011, the rupee fell, but GDP grew 7-8%. In 2026, the rupee is falling, and GDP growth is being cut from 7% to 6.2-6.4% due to tariff impact.

That is why analysts are worried now. The long-run trend from seventeen to ninety was manageable because India was growing faster than it was depreciating. If depreciation is now faster than the growth differential, purchasing power erodes.

What Next?

Most bank forecasts- JP Morgan, Nomura, SBI- see Rs 97-99 by end-2026 if tariffs stay and the Fed stays hawkish, with a chance of 100 in a stress case. If the tariff is negotiated down to 15-20% in upcoming US-India talks, the rupee could recover to 90-92.

The Pakistani rupee comparison will likely normalise too — PKR cannot stay stable if IMF reviews fail, and INR cannot keep falling 7% every year without RBI stepping in harder.

The lesson from three decades: the rupee will keep sliding slowly. The problem is not seventeen to ninety. The problem is when ninety to ninety-six happens in five months.

References: