The Tax Cuts and Jobs Act of 2018 doubled the maximum child tax credit from $1,000 to $2,000. But about 29 million children under age 17 with at least one working parent will miss out on the full increase because their families earn too little in income or owe too little in taxes.

This factsheet explores who benefits from the child tax credit under the changes made by the Tax Cuts and Jobs Act and how to improve the credit by targeting benefits to families with young children.