Hello jmj03jmj,
Happy to assist you with your question! If your daughter is now 18 years old, she might still qualify to be claimed as a dependent (please see the requirements here: Who can I claim as my dependent? ); however she does not qualify for the child tax credit.
Instead she would qualify as other dependent and you will get the maximum credit of $500.
Please let us know if you have any further questions.
Cheers,
Laura_CPA
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