Four Years Later: Russia’s War in Ukraine

As Ukraine marks the fourth anniversary of Russia’s full-scale invasion, CSIS experts look to the war’s past and future, examining its impacts on Ukraine, Russia, and the world at large as the conflict continues into a fifth year.

Featured Analysis

Photo: Fabio Murgia/CSIS, Getty Images

Photo: Fabio Murgia/CSIS, Getty Images

Russia-Ukraine War in 10 Charts

Four years after Russia’s full-scale invasion, the war in Ukraine has reshaped European security, global markets, and the balance of power. These 10 charts break down the battlefield, economic strain, military aid shifts, reconstruction costs, and what comes next.

Commentary by CSIS Scholars — February 24, 2026

Featured Shorts

Russia Has Lost 1.2 Million Troops in Ukraine

Russia’s Advance in Ukraine, Measured

Russia’s War Economy, Explained

Russia’s Slow Advance in Ukraine

Breaking Down Russia’s War on Ukraine’s Water

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Experts

Seth G. Jones

Seth G. Jones

President, Defense and Security Department; Harold Brown Chair
Max Bergmann

Max Bergmann

Director, Europe, Russia, and Eurasia Program and Stuart Center
Daniel Byman

Daniel Byman

Director, Warfare, Irregular Threats, and Terrorism Program
Emily Harding

Emily Harding

Vice President, Defense and Security Department; Director, Intelligence, National Security, and Technology Program
Romina Bandura

Romina Bandura

Senior Fellow, Project on Prosperity and Development
Benjamin Jensen

Benjamin Jensen

Director, Futures Lab and Senior Fellow, Defense and Security Department
Jerry McGinn

Jerry McGinn

Director, Center for the Industrial Base and Senior Fellow, Defense and Security Department
Caitlin Welsh

Caitlin Welsh

Director, Global Food and Water Security Program
Yasir Atalan

Yasir Atalan

Deputy Director and Data Fellow, Futures Lab, Defense and Security Department

All Four Years Later: Russia’s War in Ukraine Content

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The Russia-Ukraine War and Global Food Security: Impacts Four Years Later

Russia’s war in Ukraine caused immediate and widespread disruptions to Ukraine’s agriculture sector and global food markets. Today, new patterns are emerging, affecting Ukraine’s agricultural recovery and Russia’s ability to use its food exports for political benefit.

Critical Questions by CSIS Scholars — February 24, 2026

Russia-Ukraine War in 10 Charts

Four years after Russia’s full-scale invasion, the war in Ukraine has reshaped European security, global markets, and the balance of power. These 10 charts break down the battlefield, economic strain, military aid shifts, reconstruction costs, and what comes next.

Commentary by CSIS Scholars — February 24, 2026

Russia’s Grinding War in Ukraine

Despite claims of success in Ukraine, new CSIS data shows that Russia is paying an extraordinary price for minimal gains, with over 1.2 million casualties. Russia is also in decline as a major economic power with slow growth, weak productivity, and declining manufacturing.

Brief by Seth G. Jones and Riley McCabe — January 27, 2026

Russian Roulette

Adam Entous on U.S.-Ukraine Relations in 2025

Adam Entous of The New York Times talks his in-depth investigation exploring the Trump Administration's policies towards Ukraine in 2025.

Podcast Episode by Max Bergmann, Maria Snegovaya, and Adam Entous — January 8, 2026

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Russian Roulette

Sergey Radchenko on Ukraine Peace Negotiations

Max and Maria spoke with Sergey Radchenko about the state of affairs in peace negotiations over Ukraine as we come to the close of 2025. They discuss the different parties' goals and positions, and how this current round of negotiations compares to the talks in Istanbul at the start of the full-scale invasion back in 2022.

Podcast Episode by Max Bergmann, Maria Snegovaya, and Sergey Rachenko — December 18, 2025

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