The Uzbekistani sum: A currency rooted in ancient concepts of purity and solid value

Countries & Cities · Published 15 October 2026 Swipe more like this →

In short: The Uzbekistani sum derives its name from a Proto-Turkic term for pure gold or silver. Despite this noble etymology, the currency has navigated a turbulent history of rapid inflation, transitional designs, and significant monetary reforms since the collapse of the Soviet Union, eventually moving from a pegged system to a floating exchange.

Following the dissolution of the Soviet Union, Uzbekistan initially continued using the Russian ruble. By late 1993, the nation launched its own transitional currency, the sum, replacing the ruble at par. This early version was short-lived; in mid-1994, the government introduced a second, redenominated sum at a ratio of 1,000 to 1. This new currency, subdivided into 100 tiyin, was designed to stabilize the economy, though it faced persistent inflationary pressures that necessitated the introduction of increasingly higher denominations over the following decades.

The evolution of the sum reflects broader economic shifts within the country. For years, the government maintained a peg to the US dollar, which often led to discrepancies between official rates and black-market valuations. A major turning point occurred in September 2017, when President Shavkat Mirziyoyev enacted reforms that untethered the currency from the dollar, allowing it to float freely. This policy shift, alongside the removal of foreign exchange restrictions, aimed to modernize the financial landscape. By 2025, the country began seeing a stabilization in inflation rates, attributed in part to energy price liberalization efforts.

The physical currency has also undergone significant transformations. Early banknotes featured simplistic designs, often depicting the Registan in Samarkand. Over time, the transition from Cyrillic to Latin script on coins and notes mirrored the nation's cultural and administrative changes. Recent years have seen the introduction of high-value notes, such as the 200,000 sum, and the debut of bi-metallic coins. While small denominations like the 1 tiyin once held the title of the world's least valuable legal tender, today's circulation focuses on much larger units as the economy continues to adapt to global market realities.

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