An element with “role=listitem” must be contained in, or owned by, an element with “role=list” or “role=group”.

The WAI-ARIA specification defines strict ownership requirements for certain roles. The listitem role is one such role — it must be “owned by” an element with role="list" or role="group". “Owned by” means the listitem must be either a direct DOM child of the owning element, or explicitly associated with it via the aria-owns attribute.

This matters because screen readers and other assistive technologies rely on the accessibility tree to convey structure to users. When a screen reader encounters a properly structured list, it announces something like “list, 3 items” and lets the user navigate between items. Without the parent role="list", the individual items lose their list context — users won’t know how many items exist, where the list begins and ends, or that the items are related at all.

In most cases, the simplest and most robust fix is to use native HTML list elements (<ul> or <ol> with <li> children) instead of ARIA roles. Native elements have built-in semantics that don’t require additional attributes. Only use ARIA roles when native elements aren’t feasible — for example, when building a custom component where the visual layout prevents using standard list markup.

Examples

Incorrect: listitem without a parent list

These listitem elements are not contained within a role="list" or role="group" parent, so the validator reports an error.

<div role="listitem">Apples</div>
<div role="listitem">Bananas</div>
<div role="listitem">Cherries</div>

Correct: wrapping items in role="list"

Adding a parent container with role="list" establishes the required ownership relationship.

<div role="list">
  <div role="listitem">Apples</div>
  <div role="listitem">Bananas</div>
  <div role="listitem">Cherries</div>
</div>

Correct: using native HTML list elements

Native <ul> and <li> elements implicitly carry the list and listitem roles without any ARIA attributes. This is the preferred approach.

<ul>
  <li>Apples</li>
  <li>Bananas</li>
  <li>Cherries</li>
</ul>

Correct: using role="group" for nested sublists

The role="group" container is appropriate for grouping a subset of list items within a larger list, such as a nested sublist.

<div role="list">
  <div role="listitem">Fruits
    <div role="group">
      <div role="listitem">Apples</div>
      <div role="listitem">Bananas</div>
    </div>
  </div>
  <div role="listitem">Vegetables
    <div role="group">
      <div role="listitem">Carrots</div>
      <div role="listitem">Peas</div>
    </div>
  </div>
</div>

Note that role="group" should itself be nested inside a role="list" — it doesn’t replace the top-level list container, but rather serves as an intermediate grouping mechanism within one.

Correct: using aria-owns for non-descendant ownership

If the DOM structure prevents you from nesting the items directly inside the list container, you can use aria-owns to establish the relationship programmatically.

<div role="list" aria-owns="item-1 item-2 item-3"></div>

<!-- These items live elsewhere in the DOM -->

<div role="listitem" id="item-1">Apples</div>
<div role="listitem" id="item-2">Bananas</div>
<div role="listitem" id="item-3">Cherries</div>

This approach should be used sparingly, as it can create confusion if the visual order doesn’t match the accessibility tree order. Whenever possible, restructure your HTML so the items are actual descendants of the list container.

Learn more:

MDN Reference

MDN: listitem role

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MDN Reference

MDN: list role

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MDN Reference

MDN: group role

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