Ukraine's Army counted approximately 2.2 million military personnel as of 2024. Of them, 900,000 were active military staff. Furthermore, 1.2 million soldiers were part of the country's reserve force
https://www.statista.com/statistics/1296573/russia-ukraine-military-comparison/#:~:text=How%20many%20soldiers%20does%20Ukraine,of%20the%20country's%20reserve%20forces.

Ukraine are looking to icrease involvement of those on the periphery and to share the load better .