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Understanding pecuniary and fractional methods for funding your trust

May 15, 2025 / 4 min read

When creating a trust, funding methods — pecuniary and fractional — are crucial. Each impacts administration, tax exposure, and asset values differently. Discover the differences and how each method can impact your family’s estate planning goals.

When creating a trust, a central topic at the planning table is how the trust will be funded. During your discussions, your advisors may mention two key methods of funding trusts — pecuniary and fractional — and the explanations may be confusing when you first hear them. Both options have distinct advantages and considerations that can impact your trust’s administration, tax exposure, and asset values. Choosing the right funding method for you depends on your understanding of the methods of funding and how they apply to your unique family circumstances.

How pecuniary funding works

Pecuniary funding allocates a specific, fixed-dollar amount to a trust. This method is straightforward and easier to administer because it defines a clear sum to be distributed. For example, a trust might specify that $500,000 be allocated to a marital trust, with the remaining assets going to a credit shelter trust. The key benefits of pecuniary-funded trusts are:

When considering pecuniary funding for your trust pay careful attention to the potential impact of asset value changes. If the value of the estate’s assets changes significantly between the date of death and the date of distribution, the fixed amount allocated in the estate plan may no longer be reflected in the current value of the estate. This could lead to abatement, which is the reduction of inheritances if an estate doesn’t have enough assets to fulfill all bequests. When this happens, a proportional reduction is typically applied, meaning each beneficiary might receive a smaller portion (rather than eliminating some inheritances entirely).

How fractional funding works

The alternative method of funding a trust — fractional funding — allocates a percentage or fraction of the estate’s total value to the trust. There are two key features of fractional funding.

The fractional funding method adjusts the distribution based on the estate’s value at the time of funding, making it more flexible but also more complex to administer — a potential disadvantage. Also consider that beneficiaries may not know the exact amount they’ll receive until the estate is fully valued and distributed.

Tax implications of pecuniary and fractional funding

Understanding the tax implications of pecuniary and fractional funding methods is also important for effective estate planning. Each method has distinct tax consequences that can impact the overall estate and the beneficiaries. Tax implications of each include:

Key considerations relating to assets

Accurate valuation of your estate’s assets is critical for both methods, requiring a comprehensive inventory of your assets, including real estate, bank accounts, investments, and personal property. Effective planning involves considering the potential appreciation or depreciation of the assets and the impact on the estate’s overall tax liability. Your wealth manager and tax professionals will work with you to help optimize the funding method for your specific needs.

Choosing the right method

The journey of estate planning is a deeply personal and significant endeavor. By carefully selecting the appropriate funding method for your trust, you not only safeguard your assets, but also ensure that your legacy is preserved and passed on according to your wishes. Collaborating with knowledgeable wealth management and estate planning professionals is essential in navigating the complexities of trust funding, ensuring the planning you undertake today will lay the foundation for generations to come.

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