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Social security and taxes when seconded from the USA to Germany
Skilled worker curve USA–Germany: How to master social security and taxes during secondment.
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Legal certainty through agreements: How the German-American social security agreement prevents double contributions.
Secure your pension entitlements: Why your US insurance periods will not be lost in Germany.
Health in focus: The special features of mandatory health and long-term care insurance for US expats.
Tax optimization: How shadow payroll and tax equalization safeguard net pay during an employee's secondment.
1. What social security agreements exist between the USA and Germany?
2. Pension insurance during posting from USA to Germany
3. Health and long-term care insurance for postings between the USA and Germany
4. Taxes when seconded from the USA to Germany
5. FAQ: Posting from the USA to Germany
6. Conclusion: Posting from the USA to Germany
1. What social security agreements exist between the USA and Germany?
The foundation of intergovernmental cooperation is the Social Security Agreement of December 1, 1979 , which laid the groundwork for the coordination of pension systems between the United States and Germany. For US citizens working in Germany, this international agreement is particularly significant because it enshrines the principle of equal treatment . Technically, this means that within the German pension system, they are treated legally in the same way as German citizens. Over the decades, the agreement has been expanded through targeted supplementary agreements (especially the 1988 agreement and the crucial 1996 supplementary agreement ) to address the increasing mobility of skilled workers and the complexity of modern employment relationships.
A crucial technical detail for expats is the avoidance of double social security contributions , which is precisely regulated by the agreement. Generally, the principle of the place of work applies, according to which you are required to have social security where you physically work – in your case, Germany. However, the agreement offers an important exception with the secondment provision : If you are seconded to Germany by a US company, you can remain in the US Social Security system for up to five years (with the option of extension in exceptional cases).
2. Pension insurance during posting from USA to Germany
The core of the pension agreement between the USA and Germany is pension insurance. The agreement focuses almost exclusively on statutory pension insurance (old-age, survivors' and disability pensions).
Aggregation of periods of insurance: To be eligible for a pension, minimum insurance periods (qualifying periods) often need to be fulfilled. This agreement allows US insurance periods to be aggregated with German periods to overcome this requirement.
Avoiding double insurance: Employees temporarily seconded by their employer to another country (for up to 5 years) remain insured under the system of their home country. Therefore, they do not pay double contributions.
Separate pension payments: Each country ultimately pays its own share of the pension based on the periods of employment there. Therefore, there is no single "total pension" from one fund; instead, you may receive two separate payments.
3. Health and long-term care insurance for postings between the USA and Germany
Regarding healthcare, Americans in Germany should be aware that while the agreement exists, it has specific limitations. For a standard assignment to Germany, you can remain covered under your US system under certain conditions, provided the German authorities recognize this. However, for most US expats living and working in Germany long-term, German health insurance becomes mandatory. In this case, the agreement ensures that no double contributions to the US system (Medicare) are required, while simultaneously providing full access to the excellent German healthcare system, known for its comprehensive coverage.
Long- term care insurance in Germany is closely linked to health insurance and is mandatory for all insured individuals. For Americans moving to Germany, this means comprehensive protection against the financial risk of needing long-term care, which in the US is often only available through private supplemental insurance. The social security agreement ensures a smooth transition between the systems during international assignments. By becoming a permanent member of the German social welfare system, your contributions secure benefits that cover both outpatient and inpatient care in the event of need – an important building block for a worry-free future in your new adopted home of Germany.
4. Taxes when seconded from the USA to Germany
For permanent employment in Germany (with relocation to Germany and a German employment contract (so-called dual-contract model )), the place of tax residence changes. Taxes must then be paid in Germany . However, if the secondment of US citizens to Germany is not permanent (and without an employment contract with the German branch of the company (so-called single-contract model )), the tax liability remains in the USA (so-called 183-day rule ). Cases of permanent employment in Germany with a German employment contract and a secondment of less than 183 days are therefore relatively straightforward from a tax perspective. In the first case, the German branch of the company pays the taxes in Germany, and in the second case, the US branch pays the taxes in the USA.
If no German branch is available, a German employment contract is not to be concluded, and the assignment is not a short-term secondment of 183 days, the tax situation becomes more complex . Although the employee continues to receive their salary in dollars into a US account, their work becomes subject to German taxation as soon as their primary place of work shifts to Germany. To ensure this is handled correctly from a legal standpoint, the US employer uses a so-called shadow payroll. This involves fictitiously converting the US salary into euros in the background to accurately calculate German income tax. Since the tax rate in Germany is higher than in the US, a tax equalization clause must be included in the secondment agreement . This clause stipulates that the employer bears the additional tax costs so that the employee does not receive less net pay due to the secondment abroad.
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5. FAQ
1. Wie lange kann ich bei einer Entsendung im US-Sozialversicherungssystem bleiben?
Grundsätzlich sieht das Abkommen eine Frist von bis zu fünf Jahren vor. In begründeten Ausnahmefällen kann auf Antrag eine Verlängerung dieser Frist geprüft werden.
2. Was ist die Bescheinigung USA/D 101?
Dies ist das offizielle Dokument, das nachweist, dass Sie weiterhin dem US-System der Social Security unterliegen. Es befreit Sie und Ihren Arbeitgeber von der Versicherungspflicht in der deutschen Renten- und Arbeitslosenversicherung.
3. Werden meine US-Rentenjahre in Deutschland anerkannt?
Ja. Durch die Zusammenrechnung der Versicherungszeiten können Wartezeiten für Rentenansprüche erfüllt werden, die ein System allein eventuell nicht erreichen würde. Die Auszahlung erfolgt später anteilig aus beiden Ländern.
4. Was passiert, wenn ich länger als 183 Tage in Deutschland arbeite?
In diesem Fall wird Deutschland in der Regel steueransässig. Um den höheren deutschen Steuersatz auszugleichen und die Abführung korrekt zu regeln, kommen meist eine Shadow Payroll und eine Netto-Lohn-Garantie (Tax Equalization) zum Einsatz.
6. Conclusion
The secondment of employees from the USA to Germany offers a solid legal framework thanks to long-standing bilateral agreements. While the social security agreement (Certificate USA/D 101) enables efficient coordination of pension and health insurance, the challenge lies in the details of tax processing. However, instruments such as shadow payroll and contractual agreements on tax equalization ensure that the complexity of the German tax system does not disadvantage either the employer or the employee . Early review of the secondment duration and contract design is essential for the success of the global mobility strategy .
List of Sources (Paywall)
[3] Social Security Administration (SSA): International Programs – Totalization Agreement with Germany.