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Can You Claim Your Unborn Child as a Dependent?

When Can You Claim a Newborn as a Dependent?

You might be surprised to learn that you can claim your newborn as a dependent anytime during the tax year, even if your baby is born at 11:59 p.m. on December 31. As long as your child is born within the fiscal year, they qualify as a dependent on your tax return for that year.

However, if your baby is born just after midnight on January 1, you must wait until the following tax year to claim them. Remember, you cannot claim an unborn child as a dependent — the baby must be born first.

There’s a common myth that a baby must be at least six months old to be claimed as a dependent, but that is false. Other IRS rules apply instead.

The Residency Rule for a Qualifying Child

One key IRS rule is that the child must live with you for more than six months to qualify as a dependent. This seems to exclude babies born late in the year, but the IRS makes exceptions for newborns.

  • If your baby was born or passed away during the year, the IRS considers the child to have lived with you for at least six months — provided your home was their home all their life.
  • Time spent in the hospital after birth is also considered living at home.
  • Exceptions apply if your child is placed in foster care, adopted out, or taken by the other parent immediately after birth and you don’t live with that parent.

Tie-Breaker Rules for Divorced or Separated Parents

If parents are divorced or separated, only one can claim the child as a dependent. The IRS uses "tie-breaker" rules to decide who that is:

  1. The parent with whom the child lived the longest during the year can claim the dependent.
  2. If the child lived equally with both parents (such as a baby born late on New Year's Eve), the parent with the higher adjusted gross income (AGI) gets to claim the child.

These rules only apply if you’re unmarried. If you’re married and file jointly, both parents can claim the child regardless of birth date.

Other IRS Tests for Claiming a Child as a Dependent

Your newborn will also meet other IRS requirements for a qualifying child:

  • The dependent must be your son, daughter, sibling, or a descendant of one of these.
  • The child must be under 19 years old at the end of the tax year (or under 24 if a full-time student).
  • The child must not have provided more than half of their own financial support during the year.

Is Claiming a Dependent Still Important?

Though the 2017 Tax Cuts and Jobs Act (TCJA) suspended personal exemptions for dependents through 2025, claiming a dependent is still vital because it affects:

  • Earned Income Tax Credit (EITC)
  • Child and Dependent Care Credit
  • Child Tax Credit

For example, having a qualifying child increases your EITC amount significantly, except in special cases like the 2021 American Rescue Plan which temporarily increased credits for workers without dependents.

A dependent child may also qualify you for Head of Household filing status, which provides better tax rates if you are single and support your child.

Summary

  • You can claim a newborn as a dependent even if born late in the year, including December 31.
  • You cannot claim an unborn child.
  • The residency rule is flexible for newborns and exceptions exist.
  • Tie-breaker rules help divorced parents decide who claims the child.
  • Having a dependent is still beneficial for various tax credits and filing statuses.

Written by Tax Professionals

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