Almost 90% of Americans think families should have multiple children, but it's increasingly expensive to raise a child

• The annual cost of raising a kid has increased by about 19% between 2016 and 2021, per LendingTree.
• Still, most Americans think the ideal family consists of more than one child, a Gallup study showed.
• This doesn't mean that the ideal has matched up with people's actual family size, the study said.

Most Americans think the "ideal" family consists of more than one child, according to a recent study.