Turkish Lira Crisis: A Currency in Free Fall

Key Takeaways

• The lira fell more than 40 percent against the dollar in 2018, and again in 2021.
• Heavy foreign-currency corporate debt and wide deficits left Turkey exposed to a confidence shock.
• The central bank cut rates as inflation rose, which pushed annual inflation above 85 percent.
• A 2023 post-election policy turn lifted the policy rate from 8.5 percent toward 45 percent.

Background

By the mid-2010s, Turkey looked like a fast-growing emerging market with a structural weakness hiding in plain sight. Growth was strong, but it was financed by borrowing from abroad. Banks and companies took on large amounts of debt denominated in dollars and euros, while their revenue came mostly in lira. As long as the lira held steady, that mismatch looked cheap. When the lira fell, the local-currency cost of that foreign debt jumped.

The numbers were stark before the crisis hit. The International Monetary Fund's 2018 Article IV consultation found Turkey's current-account deficit reached 5.5 percent of GDP in 2017, with gross external financing needs above 25 percent of GDP and external debt near 50 percent of GDP. More than a third of that external debt fell due within twelve months, which meant Turkey had to keep refinancing huge sums every year just to stand still.

The corporate side was the soft spot. According to Econofact, about 60 percent of corporate-sector debt was in foreign currency as of 2013, with roughly 70 percent of construction-sector debt and around half of manufacturing debt denominated in foreign currency. The Center for Strategic and International Studies later put private-sector net foreign-exchange liabilities at $316 billion against $118 billion of assets as of December 2018. A large share of Turkish business owed dollars and earned lira.

This is a textbook setup for what economists call a balance-of-payments or third-generation currency crisis. The fragility was on private balance sheets, not just the government's books. All it needed was a trigger to break confidence and start the lira falling.

What Happened

The acute phase opened in the summer of 2018 and recurred in waves over the next five years. Each episode followed a similar arc: a confidence shock, a sliding lira, and a policy response that often deepened the problem rather than ending it.

• Early 2018: The lira begins the year near 3.77 to 3.8 per dollar and drifts weaker through the spring, reaching roughly 4 by April, per CSIS and Econofact.
• August 10, 2018: President Trump authorizes a doubling of US metals tariffs on Turkey, raising steel to 50 percent and aluminum to 20 percent, amid a dispute over the detention of American pastor Andrew Brunson. The lira drops nearly 18 percent in a single session, briefly trading past 6.5 and dipping below 7 per dollar.
• September 13, 2018: The Central Bank of the Republic of Turkey (CBRT) raises its policy rate by 625 basis points to 24 percent, its largest hike in years. The move helps stabilize the lira and Brunson is released the following month.
• March 18-20, 2021: Governor Naci Agbal, who had lifted the policy rate by a cumulative 875 basis points to 19 percent, is dismissed two days after his final hike. President Erdogan replaces him with Sahap Kavcioglu, a critic of high rates.
• September to December 2021: The CBRT cuts rates despite rising inflation. The lira slides from under 10 per dollar in mid-November to an all-time low of about 18.36 on December 20, 2021, down more than 40 percent on the year.
• October 2022: Annual consumer inflation peaks at 85.5 percent, a 24-year high, after the central bank kept cutting rates.
• June 22, 2023: After Erdogan's re-election, the CBRT reverses course and raises the policy rate from 8.5 percent to 15 percent, the start of a sustained tightening cycle.

The 2018 shock was the first violent leg. The Brunson dispute and the US tariff threat turned an already weakening lira into a rout, and the currency lost more than 40 percent of its value against the dollar over the year, per Econofact and CSIS. The September 2018 rate hike to 24 percent restored a measure of calm, but the structural problems remained.

The deeper damage came later, when monetary policy turned unorthodox. Through 2021 the central bank cut rates even as inflation climbed, the opposite of a standard crisis response. The lira's collapse to 18 per dollar at the end of 2021 fed straight through to prices, and by October 2022 inflation had reached 85.5 percent.

Why It Happened

The Turkish lira crisis had two layers: a real economic vulnerability and a policy choice that turned that vulnerability into a prolonged crisis.

The vulnerability was the foreign-currency mismatch. Turkish firms had borrowed heavily in dollars and euros while earning lira. When the lira fell, the local-currency value of those debts rose mechanically, even though company revenues had not grown. The IMF flagged before the crisis that Turkey's external debt was sensitive to exchange-rate valuation risk and to liquidity risk from large annual rollover needs of around 20 percent of GDP. A wide current-account deficit meant Turkey was a net borrower from the rest of the world, dependent on foreign capital that could reverse quickly. When sentiment turned in August 2018, capital that had flowed in began flowing out, and the lira had no anchor.

The 2018 trigger came from outside. The diplomatic dispute with Washington over pastor Andrew Brunson, capped by Trump doubling steel and aluminum tariffs on August 10, 2018, was the spark that lit an already-dry field. The tariffs themselves were small relative to Turkey's economy, but they signaled that a vulnerable borrower was now in a confrontation with its largest security partner, and markets repriced Turkish risk fast.

The second layer, and the reason the crisis dragged on, was monetary policy. President Erdogan held the heterodox view that high interest rates cause inflation rather than cure it. The conventional position is the reverse: central banks raise rates to slow demand and curb inflation. Acting on that belief, the government pressed the central bank to cut rates even as inflation rose. The AEI summarized it as a "misguided belief that interest rates were the cause of rather than the cure for inflation."

To act on that view, the leadership of the central bank had to change repeatedly. When Governor Naci Agbal raised the policy rate to 19 percent in March 2021 to defend the lira, he was dismissed within days and replaced by Sahap Kavcioglu, who favored lower rates. Erdogan went through a succession of central bank chiefs over these years. Each change pushed the bank toward easier policy, which weakened the lira, which raised the cost of the foreign-currency debt and pushed up import prices, which fed inflation. The currency fall and the inflation reinforced each other in a self-feeding spiral that orthodox rate hikes are designed to break.

By the Numbers

• Lira depreciation, 2018: more than 40 percent against the dollar over the year; the lira began 2018 near 3.77-3.8 and fell past 6.5 by August 10. (CSIS; Econofact)
• August 10, 2018 single-day drop: nearly 18 percent, with the lira briefly below 7 per dollar. (Investing.com/Reuters reporting; CSIS)
• US tariffs, August 10, 2018: steel doubled to 50 percent, aluminum to 20 percent, tied to the Brunson dispute. (CNN)
• Current-account deficit: 5.5 percent of GDP in 2017, with gross external financing needs above 25 percent of GDP. (IMF 2018 Article IV)
• External debt: around 50 percent of GDP, with more than a third due within twelve months. (IMF 2018 Article IV)
• Corporate foreign-currency debt: about 60 percent of corporate-sector debt in foreign currency (2013); private-sector net FX liabilities of $316 billion versus $118 billion of assets (December 2018). (Econofact; CSIS)
• September 2018 rate hike: 625 basis points to 24 percent. (CSIS)
• March 2021 governor change: Agbal had raised the rate by 875 basis points to 19 percent before his dismissal; inflation was about 15.6 percent. (Al Jazeera)
• December 2021 low: the lira hit an all-time low near 18.36 per dollar on December 20, 2021, down more than 40 percent on the year. (Contemporaneous Reuters/Bloomberg reporting)
• Inflation peak: 85.5 percent year-on-year in October 2022. (CBRT Governor Erkan, BIS)
• 2023 policy turn: policy rate raised from 8.5 percent to 17.5 percent across the June and July 2023 meetings, a cumulative 900 basis points. (CBRT Governor Erkan, BIS)
• Reserves and deficit, mid-2023: gross reserves above $113 billion as of July 14, 2023; a 12-month current-account deficit of $60 billion as of May 2023. (CBRT Governor Erkan, BIS)

Aftermath

The most important shift came after the May 2023 presidential election. Erdogan, re-elected, appointed Mehmet Simsek as finance minister, a market-respected figure who had previously held the role until 2018, and named Hafize Gaye Erkan as central bank governor in June 2023. The new team reversed the rate-cut policy. On June 22, 2023, the CBRT raised its policy rate from 8.5 percent to 15 percent, then continued tightening.

The scale of that turn was large. In a July 27, 2023 briefing, Governor Erkan confirmed the bank had raised the policy rate by a cumulative 900 basis points to 17.5 percent across two meetings, and committed to keep using its tools "until inflation falls back to single digits." She reported gross reserves had risen above $113 billion. The tightening continued through the year, with the policy rate reaching 45 percent by January 2024, and the hiking cycle ending in February 2024 with the rate held at 45 percent. Inflation, which had peaked at 85.5 percent, was still running near 65 percent year-on-year in early 2024.

The human cost over these years was real. Inflation above 85 percent eroded household savings and wages, and the collapse in the lira raised the cost of imported goods, fuel, and food. Households that had been encouraged to hold lira watched their purchasing power shrink, while those with access to dollars or hard assets fared better. The crisis reshaped saving behavior and accelerated informal dollarization, where people hold dollars to protect against further lira losses.

For the companies that had borrowed in foreign currency, the depreciation inflated their debt burdens in lira terms, squeezing balance sheets even where revenue held up. The episode also became a widely cited case study in central-bank independence, showing what happens to a currency and to prices when the institution charged with fighting inflation is steered toward the opposite policy.

Lessons for Investors

1. Foreign-currency debt is a hidden leverage on the exchange rate. Turkish firms that borrowed dollars while earning lira saw their debt balloon in local terms when the lira fell, even with flat revenue. When you assess a country or a company, look at the currency its liabilities are in versus the currency of its income. A mismatch turns an ordinary currency move into a solvency problem.

2. Wide deficits make a country dependent on the kindness of strangers. With a current-account deficit of 5.5 percent of GDP and financing needs above 25 percent, Turkey relied on continuous foreign capital inflows. That dependence is fine until sentiment shifts, at which point the same money that funded the boom reverses fast. Persistent external deficits funded by short-term capital are a vulnerability, not a footnote.

3. Central-bank independence is a price-stability asset. The crisis worsened when policy turned to cutting rates as inflation rose, against orthodox practice. Repeated governor changes signaled the bank could not act freely, and inflation climbed past 85 percent. When an institution charged with fighting inflation loses its independence, assess the currency and local-currency assets with much more caution.

4. A small trigger can detonate a large vulnerability. The August 2018 metals tariffs were minor relative to Turkey's economy, yet they set off an 18 percent one-day lira drop because the underlying balance sheets were already fragile. Triggers are often news events, but the damage scales with the pre-existing stress. Watch the fragility, not just the headline.

5. Policy can reverse, and the turn matters as much as the crisis. The 2023 pivot, from a policy rate of 8.5 percent toward 45 percent under a new economic team, shows that even a deep crisis can change direction when leadership and incentives change. For investors, the regime and who runs it can matter more than any single data point. Track the policy framework, not just the level of the currency.

Frequently Asked Questions

What was the Turkish lira crisis in simple terms? The Turkish lira crisis was a multi-year fall in Turkey's currency and a surge in inflation between 2018 and 2023, driven by heavy foreign-currency debt and a central bank that cut interest rates while inflation rose. The lira went from under 4 per dollar in early 2018 to past 18 per dollar by late 2021, and inflation peaked above 85 percent.

Why did the Turkish lira crisis happen? Turkey had borrowed heavily in foreign currency and ran large current-account deficits, so it depended on foreign capital. When confidence broke in 2018 and policy later turned to cutting rates as inflation rose, the lira fell sharply and prices spiraled, with each feeding the other.

How much money was lost in the Turkish lira crisis? There is no single loss figure, but the lira fell more than 40 percent against the dollar in 2018 and again in 2021, reaching an all-time low near 18.36 per dollar in December 2021. Annual inflation peaked at 85.5 percent in October 2022, which sharply eroded household savings and wages.

Could the Turkish lira crisis happen again today? After the 2023 election, Turkey reversed course and raised its policy rate from 8.5 percent toward 45 percent, restoring more orthodox policy and rebuilding reserves. The structural risks of foreign-currency debt and external deficits remain, so a repeat is possible if policy discipline slips again.

What is the main lesson from the Turkish lira crisis? The core lesson is that foreign-currency debt plus wide deficits leaves a country fragile, and that fragility turns into a full crisis when the central bank cannot fight inflation. Independence to raise rates when prices rise is what keeps a currency from spiraling.

Sources

1. International Monetary Fund. Turkey: 2018 Article IV Consultation, Press Release and Staff Report. April 30, 2018. https://www.imf.org/en/news/articles/2018/04/30/pr18152-turkey-imf-executive-board-concludes-2018-article-iv-consultation
2. Bank for International Settlements. Hafize Gaye Erkan: Recent economic and financial developments in Turkey (CBRT Inflation Report 2023-III Briefing). July 27, 2023. https://www.bis.org/review/r230731a.htm
3. Center for Strategic and International Studies. The Turkish Economic Slowdown in 2018. https://www.csis.org/analysis/turkish-economic-slowdown-2018
4. Econofact. The Financial and Economic Crisis in Turkey. August 22, 2018. https://econofact.org/the-financial-and-economic-crisis-in-turkey
5. CNN Politics. Trump vows to double steel and aluminum tariffs on Turkey. August 10, 2018. https://www.cnn.com/2018/08/10/politics/trump-tariffs-turkey-trade-steel-aluminum/index.html
6. Al Jazeera. Turkey's Erdogan sacks central bank governor after rate hike. March 20, 2021. https://www.aljazeera.com/news/2021/3/20/turkeys-erdogan-sacks-central-bank-governor-after-rate-hike
7. American Enterprise Institute. A Cautionary Turkish Economic Tale. https://www.aei.org/economics/a-cautionary-turkish-economic-tale/

Disclaimer

This article is educational content only and is not financial advice. Nothing here is a recommendation to buy, sell, or hold any security. Consult a licensed advisor before making investment decisions.