Why does claiming dependents lower your taxes?
Henry Morales
Published Mar 19, 2026
The entire reason you’d want to claim a dependent is to pay lower taxes. Having a dependent makes you eligible for more personal allowances, which generally comprise the deductions, credits, and exemptions you can receive.
How does claiming a child affect taxes?
Take advantage of the federal child tax credit Families can deduct up to $2,000 from their federal income taxes for each qualifying child under 17. These are credits, so if your tax bill is $10,000 and you qualify for the maximum credit, your bill goes down to $8,000.
Claiming the Child Tax Credit A taxpayer with a new baby may claim the child tax credit, which lowers their tax bill by up to $2,000 per qualifying child if the taxpayer’s income is not too high. In some cases, the credit may even exceed your taxes, allowing you to get extra money back as a refund.
What happens if I claim my sibling on my taxes?
If you qualify to claim your sibling as your dependent on your taxes, you can reduce your taxes in the 2017 tax year. Each exemption you claim reduces your taxable income by $4,050 in the 2017 tax year, though that amount could be phased out if you make too much money.
How much does claiming a dependent reduce your tax bill?
For tax years prior to 2018, every qualified dependent you claim, you reduce your taxable income by the exemption amount, equal to $4,050 in 2017. This can add up to substantial savings on your tax bill.
Can a sister claim a child as a dependent?
If multiple people qualify to claim a person as a dependent, the IRS has several tiebreakers to determine who is entitled to claim the exemption. First, the child’s parent has priority, so if both you and your sister qualify, your sister gets to claim the exemption.
Why do you need to know the rules for claiming a dependent?
If you have a family, you need to know how the IRS defines “dependents” for income tax purposes. Why? Because it could save you thousands of dollars on your taxes. For tax years prior to 2018, every qualified dependent you claim, you reduce your taxable income by the exemption amount, equal to $4,050 in 2017.