Army size: Ukraine and Russia

Comparing open estimates of armed forces size — before the full-scale invasion and during the war. Figures come from IISS handbooks, official statements, and Western intelligence estimates.

Ukraine

Estimates of Ukraine’s Defense Forces overall and ground combat units.

Pre-war active force196,600Regular armed forces before 24 Feb 2022as of 1 February 2022 · IISS Military Balance 2022
Wartime total force~900,000–1,000,000Estimated overall force sizeas of 1 March 2026 · GlobalFirepower / Statista 2026
Defense Forces (nationwide)~700,000–900,000AFU, NGU and others — nationwide estimate, not front line onlyas of 1 March 2026 · Western estimates of Ukraine’s Defense Forces
Ground combat strength~400,000–500,000Estimated ground combat unitsas of 1 March 2026 · Western estimates of AFU combat units

Russia

Estimates of Russia’s armed forces overall and the grouping facing Ukraine.

Pre-war active force900,000Regular armed forces before 24 Feb 2022as of 1 February 2022 · IISS Military Balance 2022
Wartime total force1,320,000Estimated overall force sizeas of 1 March 2026 · GlobalFirepower / Statista 2026
Grouping facing Ukraine~480,000–620,000Estimate of Russian forces committed to the war against Ukraineas of 1 March 2026 · Western estimates of Russia’s Ukraine grouping
Ground combat strength~400,000–500,000Estimated ground combat unitsas of 1 March 2026 · Western estimates of Russian ground forces

Comparison by category

as of 1 March 2026

Force size by category

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