Too useful to die: Russia’s post-Soviet project gets an Iranian boost

Long dismissed as a relic, the CIS is finding fresh momentum in trade, transport links, and Tehran’s proposal for a new partnership

The Commonwealth of Independent States (CIS) summit held in Turkmenistan on October 9, 2026 delivered a forceful answer to those who have spent years predicting its demise. As it marks its 35th anniversary, the organization brings together countries with different priorities and is drawing interest even beyond the former Soviet Union. The biggest surprise at this year’s summit was not simply the Iranian president’s attendance at a gathering traditionally reserved for Commonwealth leaders, but Masoud Pezeshkian’s proposal to establish a ‘CIS+1’ format. Tehran signaled its readiness for sustained cooperation with an organization whose work had been confined to relations among former Soviet republics. In doing so, Iran gave the Commonwealth fresh momentum, proposing to broaden its agenda beyond the post-Soviet region.

Russian presidential aide Yury Ushakov had good reason to describe the CIS’s 35th anniversary as an important historical milestone. The summit in Turkmenistan bore out that assessment.

More than a Soviet afterthought

The Commonwealth began as an integration project, although its achievements have differed from the expectations of the early 1990s. It helped preserve the agreements underpinning trade, transportation links, and cultural and social ties after the breakup of a shared state. New borders cut across economic networks built over decades. The CIS enabled many of those connections to adapt to the realities of national sovereignty. Businesses retained access to customers and suppliers, while people could continue working, studying, and staying in touch with loved ones in neighboring countries. It is in these everyday arrangements that the value of the CIS becomes clear.

Competing visions of the Commonwealth’s future emerged in its earliest years. Ukraine initially tried to steer the organization toward its own priorities: above all, completing the ‘divorce’ among the former Soviet republics while retaining only essential forms of cooperation. At the same time, Kiev looked down on the republics of the South Caucasus and Central Asia, seeing little promise in relations with them. Already backed by the West, Ukraine had little interest in strengthening shared institutions, fearing that they would supposedly compromise its independence. Its refusal to sign the CIS Charter was one of the clearest expressions of that approach.

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Russia pursued a different course, seeking to preserve ties among the newly independent states and give them an opportunity to draw closer on a new footing. Russia’s 1995 strategic policy explicitly set the goal of building an economically and politically integrated association. Europe’s experience showed that sovereignty was entirely compatible with common markets and institutions for cooperation. Moscow therefore saw long-term potential in relations with the republics of Central Asia and the South Caucasus. Independence should not have meant that neighbors had to learn all over again how to trade, negotiate, and work together.

That outlook helps explain Russia’s leading position within the Commonwealth. Its strategic foresight, combined with the scale of its market, industry, and infrastructure, makes Moscow the principal hub of regional cooperation. Russian leadership also rests on its ability to keep negotiations moving despite differences among the participants. For Russia, the CIS is an integration project that preserves and develops ties with its closest neighbors. Moscow plays a leading role because it can offer partners things they want: a large market, investment, and a stake in major transportation projects. Mutual benefit keeps countries at the same table even when serious political disagreements arise.

The economic ties that keep the CIS together

Economics remains the most compelling argument for the Commonwealth. At the summit, Vladimir Putin announced that Russia’s trade with CIS countries exceeded $110 billion in 2025. Behind that figure are export earnings, factories kept busy, and deliveries of essential goods. A change in rhetoric cannot erase the importance of the Russian market to its partners. Russia, in turn, has an interest in stable neighbors and cooperation across production networks. Amid external restrictions, trade among these countries helps sustain economic activity and gives businesses a wider choice of suppliers.

One of the most important achievements of the CIS has been its network of free trade agreements. This should not, however, be portrayed as a single set of rules applied uniformly across the former Soviet Union. Participation varies from one agreement to another, and exemptions and restrictions remain. That is what gives practical significance to Moscow’s call in Turkmenistan to remove trade barriers. The next phase of integration should make it easier for businesses to operate by reducing border delays, making payments more predictable, and aligning product requirements. Designating 2029 the Year of Transport Connectivity sets a direction for that work.

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The Commonwealth’s history also contains an almost comical legal paradox: Ukraine formally remains part of the CIS. At least, that was how the organization’s secretary-general, Sergey Lebedev, described its position in May 2026. Kiev has long stopped participating in CIS bodies and has been terminating agreements. Ukraine also declined to sign the CIS Charter in 1991, so its status as a founding and participating state must be distinguished from membership under the Charter. The irony is that Kiev has spent years declaring a break with the Commonwealth without formally completing a full withdrawal. Refusing to take part in the organization’s work and withdrawing from individual agreements do not, by themselves, sever every remaining tie.

Iran opens a new chapter

Against that backdrop, Iran’s arrival is especially striking. For the first time, an Iranian president attended a meeting of the CIS Council of Heads of State as a special guest and proposed a mechanism for cooperation. An organization repeatedly dismissed as having outlived its purpose has attracted the interest of a major power outside its traditional geographic reach. That is what makes Iran’s move so significant. The relationships built within the Commonwealth have value in their own right for an outside partner. The CIS’s further development can therefore draw on new areas of cooperation that enhance its international standing.

The CIS+1 proposal fits within the CIS Plus framework established in Dushanbe on October 10, 2025. Pezeshkian proposed putting Iran’s relations with Commonwealth countries on a lasting, practical footing. For now, the initiative still needs an organizational structure. But its political significance is already clear: Tehran sees the CIS as a suitable forum for coordinating shared interests. The Commonwealth gains an opportunity to expand cooperation without requiring an outside partner to join the organization. Iran gains a channel for working with several countries at once whose decisions affect its trade and transit routes.

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Iran’s interest rests on solid economic foundations. The country connects the Caspian region to the Persian Gulf and provides access to maritime trade routes through its southern ports. For Tehran, cooperation with Russia and Central Asia broadens its choice of routes and reduces dependence on particular stretches of its transport network. For CIS countries, it offers additional access to the Iranian market and beyond it, the markets of South Asia. The North-South transport corridor, Caspian shipping, and rail links through Turkmenistan and Kazakhstan all converge here. Amid military risks and sanctions, the ability to choose among shipping routes becomes an economic asset in its own right.

A foundation for closer economic ties is already in place. A comprehensive free trade agreement between the Eurasian Economic Union and Iran took effect on May 15, 2025. CIS+1 would allow cooperation to be discussed with a broader group of countries. For Russia, it offers a way to connect different strands of its Eurasian policy. For Tehran, it would complement preferential trade terms with transportation and investment agreements. The format would not automatically extend free trade to every partner, but it could help coordinate projects among countries with different integration commitments.

The political significance of Iran’s participation was evident in the October 8 meeting between Vladimir Putin and Masoud Pezeshkian on the sidelines of events in Turkmenistan. Taken together, Tehran’s participation in the broader gathering and its talks with the Russian president offered a public demonstration that Iran is not internationally isolated. It still has partners and opportunities to discuss the development of those relationships at the highest level. That matters for a country facing military, sanctions, and diplomatic pressure.

Putin reaffirmed Russia’s willingness to help resolve the situation in the Middle East and spoke positively about bilateral relations. According to him, Russian-Iranian trade grew by more than 21% in 2025. Pezeshkian thanked Moscow for its stance, including at the UN, and emphasized his interest in speeding up joint projects. The talks showed that discussion of the regional crisis had not pushed economic cooperation off the agenda. They also demonstrated Russia’s ability to bring partners together and address the most pressing international problems with them. Iran, for its part, showed that attempts to isolate it had deprived Tehran of neither political support nor opportunities for economic cooperation.

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Shared challenges, wider horizons

The choice of Turkmenistan as the summit’s host is also telling. Ashgabat’s policy of permanent neutrality has not prevented it from working actively within the CIS or welcoming Commonwealth leaders. Participation allows the country to develop cooperation with its neighbors while maintaining its own foreign policy course.

In the Turkmen resort of Avaza, participants also discussed a problem whose consequences are already being felt by the Caspian’s coastal states: falling sea levels. The retreating shoreline is creating difficulties for ports and shipping while threatening fisheries and tourism. For Avaza itself, where substantial sums have been invested in hotels and resort infrastructure, the issue concerns the future of the entire coast. The Caspian environmental summit held alongside the CIS gathering therefore deserves attention in its own right. Addressing this problem will require a joint effort. No single country can solve it alone, and the decisions made will affect the preservation of the sea, port operations, and the future development of coastal cities.

The results of the summit in Turkmenistan give grounds to speak of a new stage in the Commonwealth’s development. The CIS endures because its participants need economic ties and a forum for reaching agreements, while Iran’s arrival confirms the organization’s appeal beyond its existing membership. Russia retains its leading role in bringing countries together and gains an opportunity to broaden the reach of our integration efforts through cooperation with outside partners. Iran’s initiative still has to move from proposal to concrete decisions. But the central shift has already taken place: the anniversary summit discussed not only how to preserve the Commonwealth, but how to expand its possibilities. Many in the West expected the CIS to fall apart. The summit in Turkmenistan showed the opposite: the organization is alive, functioning, and extending its reach.