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| Germany is pursuing a long-term plan to make the Bundeswehr Europe’s strongest conventional military by 2039. germany-military-expansion-bundeswehr-2039.jpg |
Germany is embarking on one of the most significant military expansions in its modern history, with Berlin aiming to transform the Bundeswehr into Europe’s strongest conventional military by 2039.
The plan represents a major change in Germany’s defense policy after decades in which the country maintained a comparatively restrained military posture. It involves expanding personnel, increasing defense spending, modernizing military capabilities and strengthening Germany’s ability to contribute to European and NATO defense.
But the objective needs to be understood carefully. Germany is not simply seeking to build Europe’s largest army. Its stated ambition is to create the strongest conventional military force in Europe, measured not only by troop numbers but also by technology, readiness, firepower and the ability to conduct modern military operations.
Germany’s 2039 military goal
Germany published its first military strategy in 2026, setting out a long-term plan to strengthen the Bundeswehr.
According to Germany’s own defense institutions, the transformation will take place in three phases and is intended to make the Bundeswehr the conventionally strongest army in Europe by 2039. The strategy identifies Russia as the principal threat to European security and places greater emphasis on national and collective defense.
The strategy is broader than simply adding more soldiers.
Germany wants to improve capabilities across the Army, Air Force and Navy while also strengthening cyber and information operations. The plan includes improved readiness, greater use of reserves and more sophisticated military capabilities.
That means Germany's future military strength will depend on both quantity and quality.
How big will Germany’s military become?
One of the most visible parts of the plan is the expansion of military personnel.
Germany is targeting approximately:
- 260,000 active-duty military personnel
- 200,000 reservists
- Around 460,000 personnel when active forces and reservists are combined
German Defense Minister Boris Pistorius has said the Bundeswehr needs to grow to roughly 260,000 active personnel within the next eight to 10 years, alongside 200,000 reservists.
The target represents a substantial increase from the Bundeswehr’s current size.
Germany is also developing a new military-service system intended to support the expansion. The government has emphasized voluntary participation, while the framework allows for additional measures if recruitment does not produce the required numbers.
The personnel challenge is therefore one of the most important tests facing the German military.
Expanding a military by tens of thousands of personnel requires not only recruitment but also training facilities, officers, equipment, accommodation, ammunition and long-term funding.
Germany is increasing defense spending
Personnel expansion is being accompanied by a major increase in military expenditure.
Germany’s 2026 federal budget provides about €82.7 billion for defense, compared with €62.4 billion previously, while an additional €25.5 billion is available through the special Bundeswehr fund. The German government says the money will help finance major military projects, ammunition procurement and the closing of capability gaps.
The planned spending increases are expected to continue.
Germany's Finance Ministry says defense spending within the Defense Ministry's budget is planned to rise to €109.7 billion in 2027.
This makes Germany one of the central contributors to Europe's rapidly expanding defense expenditure.
The increase also reflects a broader shift across NATO's European members as governments reassess their military capabilities following Russia's full-scale invasion of Ukraine.
What is Germany actually trying to build?
The transformation is not simply about creating a larger traditional army.
Germany's military strategy emphasizes modern capabilities including:
- Air and missile defense
- Long-range precision strike
- Digitalized and networked forces
- Cyber capabilities
- Information superiority
- Modern armored forces
- Stronger naval capabilities
- Advanced air power
- Greater operational readiness
- A larger and better-integrated reserve
Germany is also seeking to improve its ability to conduct operations across multiple domains.
An analysis by Poland's Centre for Eastern Studies says the Bundeswehr's planned capabilities include long-range precision-strike systems, air defense, greater information exchange and increasingly integrated multi-domain operations.
This is important because military strength in the 21st century cannot be measured solely by the number of soldiers a country possesses.
A smaller force with modern aircraft, missiles, drones, sensors, communications, logistics and air defenses can have greater military effectiveness than a larger but poorly equipped force.
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| Germany's military expansion includes additional personnel, modern equipment and improved operational readiness. german-bundeswehr-modernization-military-buildup.jpg |
Why is Germany expanding its military?
The German government links the transformation primarily to the changing European security environment.
Russia's war against Ukraine has fundamentally altered the security calculations of many European governments. Germany's military strategy explicitly identifies Russia as the greatest threat to European security.
Berlin also views Germany's geographic position as important.
Germany sits at the center of Europe and is a major logistical link for NATO forces moving toward the alliance's eastern flank. The Bundeswehr has therefore increasingly focused on territorial and alliance defense rather than primarily expeditionary missions.
The German government argues that stronger military capabilities are necessary to make Germany and its allies more capable of deterring and defending against potential threats.
That does not mean Germany is announcing an intention to wage war against Russia.
The stated objective is deterrence and defense within Germany's NATO commitments.
Germany's military buildup and NATO
Germany's expansion also has a wider NATO dimension.
Berlin has committed to substantially increasing defense spending and capabilities as NATO members work toward the alliance's new defense-investment targets.
Germany's government says its new capabilities are intended to strengthen both German defense and NATO's collective defense.
Germany's size, economy and geographic location make it particularly important to NATO.
A stronger Bundeswehr could provide additional forces, air defense, logistics, armored units, aircraft and other capabilities for European defense.
However, Germany will not be acting alone.
European security increasingly involves cooperation between Germany, Poland, France, Britain and other NATO members.
Germany versus Poland: Who will have Europe's biggest army?
This is where headlines about Germany's military expansion can become misleading.
Germany wants to build Europe's strongest conventional military, but Poland is separately pursuing the goal of having Europe's largest army.
Reuters reported in September 2026 that Poland's armed forces had exceeded 220,000 personnel and that Warsaw was continuing a major military expansion.
The distinction matters.
Largest generally refers to size or numbers.
Strongest can refer to a broader combination of personnel, equipment, technology, readiness, logistics, firepower and operational capability.
Germany's 2039 objective therefore should not automatically be interpreted as a claim that it will have more soldiers than every other European country.
Germany is not Europe's strongest military today
Another important distinction is timing.
Germany's strategy is a future goal, not a declaration that the Bundeswehr has already become Europe's strongest conventional military.
Independent military rankings can produce very different results depending on what they measure. For example, Global Firepower's 2026 European ranking places France and the United Kingdom ahead of Germany, while Poland also ranks below Germany in that particular index. Such rankings use their own methodologies and should not be treated as definitive measurements of real-world military effectiveness.
Germany's 2039 target is therefore better understood as a strategic ambition.
Whether Berlin achieves it will depend on funding, recruitment, industrial production, procurement, training and political support over many years.
The biggest challenge may be implementation
Germany has the financial resources to increase defense spending, but turning money into military capability takes time.
New aircraft, ships, armored vehicles, missiles and air-defense systems require years of procurement and production.
Personnel expansion presents another challenge.
Germany needs thousands of additional soldiers while also maintaining standards for training and readiness. Recruiting enough personnel could become difficult if the Bundeswehr struggles to attract young Germans.
There is also the question of sustaining spending.
The current buildup involves major financial commitments extending well beyond a single government or parliamentary term. Maintaining the pace after future elections will therefore be critical.
An analysis from the Centre for Eastern Studies similarly notes that achieving Germany's technological and military objectives will depend on sustaining defense spending and modernization over the long term.
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| Germany is seeking a larger role in NATO and European collective defense as it expands its military capabilities. germany-european-defense-nato-military.jpg |
What Germany's military expansion means for Europe
If Germany successfully implements its strategy, the European military balance could change significantly.
A larger and more capable Bundeswehr would give Germany greater weight within NATO and European defense policy.
It could also reduce Europe's dependence on external military capabilities in some areas.
At the same time, Germany's buildup is occurring alongside major military expansions in countries such as Poland and broader increases in defense spending across Europe.
The result may therefore be less about one country dominating Europe's military landscape and more about a broader European rearmament and modernization effort.
Germany's position will be particularly important because of its economic size, industrial capacity and central location.
What happens next?
Germany's military transformation is expected to unfold gradually rather than overnight.
The immediate priorities include increasing personnel, improving readiness, purchasing ammunition and equipment, and closing existing capability gaps.
The longer-term objective is to build a military capable of operating effectively across land, air, sea, cyber and information domains.
By 2039, Berlin wants the Bundeswehr to be Europe's strongest conventional military.
Whether it reaches that objective will depend on one central question:
Can Germany turn its unprecedented defense spending and ambitious military strategy into actual, sustainable military capability?
For now, the answer remains uncertain.
What is clear is that Germany has entered a new phase of defense policy—one in which the Bundeswehr is expected to play a much larger role in Germany's national security, NATO's collective defense and Europe's future military architecture.
Frequently Asked Questions
Is Germany building Europe's biggest military?
Not exactly. Germany's official objective is to build Europe's strongest conventional military by 2039. Poland is separately pursuing the goal of building Europe's largest army.
How many soldiers will Germany have?
Germany is targeting approximately 260,000 active military personnel and 200,000 reservists, or around 460,000 personnel when both groups are combined.
Why is Germany expanding its military?
Berlin says the expansion is necessary because of the changed European security environment, particularly the threat posed by Russia, and to strengthen Germany's ability to defend itself and fulfill its NATO commitments.
When does Germany want its military to become Europe's strongest?
Germany's military strategy sets 2039 as the long-term target for developing the Bundeswehr into Europe's strongest conventional military.
How much is Germany spending on defense?
Germany's 2026 defense budget is approximately €82.7 billion, with another €25.5 billion available through the Bundeswehr special fund. Planned defense spending within the Defense Ministry's budget is set to rise to €109.7 billion in 2027.
Is Germany preparing to attack Russia?
There is no basis for describing the military strategy as an announcement of an offensive war against Russia. Germany presents the buildup primarily in terms of deterrence, national defense and NATO collective defense, while its strategy identifies Russia as the principal threat to European security.
Why is Germany's military expansion important?
Germany is Europe's largest economy and occupies a strategically important position at the center of the continent. A significantly larger and more capable Bundeswehr could therefore have major consequences for NATO, European defense planning and the balance of military capabilities across Europe.
Editorial Note
Germany's military expansion should be understood as an evolving long-term policy rather than a completed transformation. Personnel targets, defense budgets, procurement programs and military capabilities can change as political and security conditions change. This article distinguishes Germany's stated objectives from assessments of what it will ultimately achieve.