In 2025, Poland had the largest number of military personnel among all Central and Eastern European countries. The NATO ally with the second-largest number of military personnel was Romania, with * staff. Poland also incurred the highest defense spending among NATO member states in the Central and Eastern European region in 2025.
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NATO. (August 28, 2025). Number of military personnel in the Central and Eastern European (CEE) countries from 2023 to 2025 (in 1,000s) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 21, 2026, from /statistics/1085717/cee-military-personnel/
NATO. "Number of military personnel in the Central and Eastern European (CEE) countries from 2023 to 2025 (in 1,000s)." Chart. August 28, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 21, 2026. /statistics/1085717/cee-military-personnel/
NATO. (2025). Number of military personnel in the Central and Eastern European (CEE) countries from 2023 to 2025 (in 1,000s). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 21, 2026. /statistics/1085717/cee-military-personnel/
NATO. "Number of Military Personnel in The Central and Eastern European (Cee) Countries from 2023 to 2025 (in 1,000s)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 28 Aug 2025, /statistics/1085717/cee-military-personnel/
NATO, Number of military personnel in the Central and Eastern European (CEE) countries from 2023 to 2025 (in 1,000s) ÌÇÐÄÆƽâ°æ, /statistics/1085717/cee-military-personnel/ (last visited July 21, 2026)
Number of military personnel in the Central and Eastern European (CEE) countries from 2023 to 2025 (in 1,000s) [Graph], NATO, August 28, 2025. [Online]. Available: /statistics/1085717/cee-military-personnel/
