Map created by Geo UniverseThe map above shows the Number of Active Personal In The Armies of Eastern Europe Countries in 2025.Here’s more about the map from the map author:This map shows the number of active military personnel in Eastern Europe, and the numbers paint a clear picture:Russia’s military strength looms over NATO’s eastern flank.With 1.32 million active soldiers, Russia—alongside Belarus—outnumbers many neighboring countries. Key Takeaways: Ukraine leads the defense with 900,000 troops, but is already engaged in a brutal war. The Baltic states (Estonia, Latvia, Lithuania) combined have fewer than 50,000 troops, making them highly vulnerable to a potential Russian invasion. Poland and Romania have sizeable armies, but rapid response to a Baltic incursion would be critical. Is NATO ready?While NATO provides strong collective defense, the Baltics remain a weak point. A Russian blitzkrieg could overwhelm defenses before reinforcements arrive. Military experts argue that NATO must increase troop presence and defensive infrastructure in the region to deter any aggression. What do you think? Should NATO boost its presence in the Baltics to prevent another Ukraine-style invasion? Share your thoughts below!The data comes from the Global Firepower Index, and of course the one thing this map leaves out, is the support the countries in blue would receive from the UK, France, Germany, Italy and other NATO countries (with the now increasingly likely exception of the US) in the event of a Russian attack.