How to Finance a Universal Basic Income (UBI): A Realistic Model for Germany

The dream of a Universal Basic Income (UBI)—a regular, unconditional cash payment to every citizen—is captivating, promising greater economic security, reduced poverty, and more freedom to pursue meaningful work. But the monumental question remains: how do you pay for it? The German advocacy group "Mein Grundeinkommen" ("My Basic Income") has long championed the idea and recently commissioned a detailed study from the German Institute for Economic Research (DIW Berlin) to answer this. Their findings reveal a complex but structured financial model that would fundamentally reshape Germany's tax and social welfare system. Let's explore how a UBI could be funded and what it would mean for you.

The Core Proposal: €1,200 for Adults, €600 for Children

The proposed model is clear: every adult receives €1,200 per month, tax-free. Every child receives €600. This simple promise, however, comes with an equally significant overhaul of the entire fiscal system. The estimated gross cost is around one trillion euros annually—a figure that makes the plan impossible without profound structural changes.

The Four-Pillar Financing Strategy

To cover this cost, the model relies on four interconnected pillars: major tax reform, the consolidation of social benefits, administrative savings, and the closure of tax loopholes.

Financing PillarKey MeasureEstimated Contribution/Impact
1. Comprehensive Tax ReformIntroduction of a flat income tax rate of 50% on all income (wages, capital gains, etc.). The UBI acts as a massive tax credit.Funds approx. 42% of the total UBI cost. For most, the effective tax rate is far lower.
2. Consolidation of Social BenefitsAbolition of most existing benefits: Kindergeld (child benefit), Elterngeld (parental allowance), BAföG (student grants), and crucially, Bürgergeld (basic unemployment benefits).Saves approx. €126 billion. The UBI replaces these targeted payments.
3. Administrative EfficiencyDrastic reduction in bureaucracy for processing and verifying benefit claims.Saves approx. €7.4 billion in administrative costs.
4. Closing Tax LoopholesAbolition of tax privileges like the Ehegattensplitting (income splitting for married couples) and various allowances.Contributes to closing the remaining funding gap.

Who Wins and Who Loses? The Net Impact on Households

This is the critical question. According to the DIW model, 83% of German households would have more net income after the reform. Seven percent would see no change, and only 10%—primarily high-income earners—would be net contributors, ending up with less disposable income. The proponents argue this is a massive net tax cut for the vast majority, as the upfront UBI payment offsets the higher nominal tax rate. The model also projects a dramatic reduction in poverty risk, from 13 million to 4 million people.

Addressing the Critics: Work Incentives and Economic Risks

Every radical proposal faces valid criticism. The UBI model attempts to address these head-on:

  • Work Disincentive? Proponents argue it increases work incentives for low-income earners. Under the current Bürgergeld system, earning extra income leads to high benefit withdrawal rates ("clawback"). With a UBI, every euro earned on top of the €1,200 is taxed at 50%, meaning low-wage workers keep a significantly higher portion of their additional earnings.
  • Loss of Targeted Support: Critics worry that replacing housing or heating benefits (covered under Bürgergeld) with a flat cash sum could leave some vulnerable groups worse off. The model assumes the UBI is sufficient to cover these costs, but this is a point of contention.
  • Economic Competitiveness: The study acknowledges risks. A 50% tax rate on high earners and corporations could theoretically drive talent and business abroad or fuel a shadow economy. The long-term impact on innovation and investment is a major unknown.

A Comparative Perspective: UBI Debates in the US and Germany

While this model is designed for Germany, the UBI debate is global. In the US, discussions often center on funding through a combination of higher taxes on wealth, carbon, or financial transactions, similar to the supplementary measures (inheritance tax, CO2 tax, financial transaction tax) suggested in the German model. The core challenge—balancing simplicity with fairness, and funding without stifling the economy—is universal. Germany's model, with its focus on replacing a complex welfare state, differs from US proposals that often aim to supplement existing, less comprehensive systems like Social Security or Medicaid.

Conclusion: A Blueprint for Debate, Not a Final Plan

The "Mein Grundeinkommen" financing model shows that a UBI is not a fiscal fantasy but a policy choice with clear, if drastic, trade-offs. It demonstrates that funding requires a holistic transformation, not just a new spending line. Whether the societal benefits—dramatically reduced poverty, increased individual autonomy, and a simpler system—outweigh the risks of higher top-tier taxes and economic uncertainty is the fundamental political question. This study provides a concrete, numbers-based blueprint to fuel that essential debate.