
Most people complete a beneficiary designation form when they open a retirement account or life insurance policy and never look at it again. Years pass, families change, and that form still sits on file with the financial institution, quietly determining how a significant asset will transfer at death. In reality, some of the most important inheritance decisions a person makes are not made in a will. They are made on those forms.
One detail that can significantly affect how those assets pass is whether beneficiaries are designated per stirpes or per capita.
Most families have never encountered these terms before. The difference between per stirpes and per capita can determine whether a deceased beneficiary’s children receive a share of an inheritance or whether that share is redistributed among the surviving beneficiaries.
Understanding how these designations work can help ensure assets pass in the way a family intends.
Why Beneficiary Designations Matter
Accounts such as IRAs, 401(k)s, annuities, and life insurance policies typically pass according to the beneficiary designation on file with the financial institution.
These assets often transfer outside of probate and generally do not follow the instructions in a will unless an estate or trust is specifically named as the beneficiary.
For many families, beneficiary forms were completed years earlier when the account was first opened and may not have been reviewed since.
This becomes especially important when a named beneficiary dies before the account owner.
What happens next depends on how the beneficiary designation is structured.
Per Stirpes and Per Capita Explained
Two common methods determine how an inheritance is distributed when a beneficiary has died before the account owner: per stirpes and per capita.
Per capita means “by head.” If one beneficiary dies before the account owner, that person’s share is redistributed equally among the remaining living beneficiaries.
Per stirpes means “by branch.” Instead of being redistributed among surviving beneficiaries, the deceased beneficiary’s share passes down to that person’s descendants.
Both approaches are legally valid, but they can produce very different results.
An Example
Imagine a parent who names three children as equal beneficiaries of a retirement account: Emily, Ryan, and Thomas.
Each child is intended to receive one-third of the account.
Now assume Thomas dies before the parent but has two children of his own.
If the designation is per stirpes, Emily and Ryan would still receive their one-third shares, and Thomas’s one-third share would be divided between his two children.
If the designation is per capita, Emily and Ryan would each receive half of the account because they are the only surviving beneficiaries. Thomas’s children would not receive any portion of that account.
For families who want assets to remain within each child’s branch of the family, this distinction can make a meaningful difference.
Why Estate Plans Do Not Always Control These Accounts
A common misunderstanding is that a will or living trust determines how all assets are distributed.
In reality, beneficiary designations often operate independently of estate planning documents.
Even a carefully prepared estate plan may not affect retirement accounts or insurance policies unless those accounts have been coordinated with the broader plan.
Because beneficiary forms are sometimes overlooked for years, they can unintentionally override more recent estate planning decisions.
Another Factor Many People Never Consider
Financial institutions do not always use the same default distribution rules.
Some custodians automatically apply a per capita distribution unless another option is selected. Others allow a per stirpes designation only if it is specifically requested.
If the choice was never discussed when the account was established, the outcome may simply follow the institution’s default procedures.
When It May Be Time to Review Beneficiary Designations
Beneficiary forms are worth reviewing periodically, especially after major life events such as:
- the death of a family member
- marriage or divorce
- the birth of grandchildren
- changes in family relationships
- updates to an estate plan
A brief review can help ensure beneficiary designations still align with the broader estate planning strategy.
Moving Forward
Estate planning involves more than preparing legal documents. In many cases, the distribution of significant assets is determined by beneficiary forms that may not have been reviewed in years. Understanding the difference between per stirpes and per capita is a small detail that can have a meaningful impact on how assets pass to the next generation.
Beneficiary designations are one piece of a broader estate planning picture. Understanding how they work alongside a will, a trust, and other planning decisions is what allows a plan to actually function the way it was intended. If you are still building that foundation, the free guide we put together for Alabama families is a good place to start. The Estate Planning Book for Alabama Families covers wills, trusts, probate, and how to think through your options, written by Mark Eiland, founder of Heircraft Planning. You can download it at no cost on our website.

Heircraft Planning also offers free educational seminars in Mobile for individuals and families who want to explore these topics in depth. Light dinner is provided. You can find upcoming dates and register at heircraftplanning.com/upcoming-events. If you are ready to talk through your specific situation, you are also welcome to schedule a consultation directly.
