Child Tax Credit: What 2021 Proved and 2022 Undid

For six months in 2021, the United States ran the experiment every other rich country runs permanently. It sent parents a monthly check for each child, no strings, no minimum earnings. Child poverty fell to the lowest level ever recorded. Then the child tax credit expansion expired, Congress declined to extend it, and the number went back up in a single year. This article explains what the credit is, what it did during those six months, what it undid when it stopped, and why the version on the books today still shorts the families that need it most.

What is the child tax credit and how much is it now?

The credit began in 1997 at $400 per child and has been rewritten by nearly every major tax bill since. The 2017 Tax Cuts and Jobs Act set it at $2,000 per child under 17, with a refundable portion capped at $1,400 and indexed, which reached $1,700 by 2024. In July 2025 Congress raised the credit to $2,200 and indexed the full amount to inflation, while leaving the refundable cap and the earnings phase-in in place. The credit begins to phase out at $200,000 of income for single filers and $400,000 for married couples.

Source: Internal Revenue Code history; Congressional Research Service summaries; 2025 tax law. Rounded.

The two words that matter in that table are "refundable" and "earnings." A non-refundable credit only reduces the tax you owe. A parent who owes little federal income tax, which describes most parents earning under $30,000, cannot use a credit that only cancels tax. The refundable portion is the part paid out as cash, and it phases in at 15 cents for every dollar of earnings above $2,500. A parent earning $12,500 has $10,000 above the threshold, which earns $1,500 of refundable credit for the household, whatever the number of children. The credit pays a $150,000 family $2,200 per child and a $12,500 family less than that for all of them combined.

What happened when the credit became a monthly check?

Child poverty fell by nearly half in one year.

The American Rescue Plan Act of March 2021 raised the credit to $3,600 for each child under six and $3,000 for ages six through 17, dropped the earnings requirement, made the whole amount refundable, and had the IRS pay half of it as monthly deposits from July through December 2021. Roughly 36 million households received the payments, most of them by direct deposit on the 15th of each month.

The Census Bureau's Supplemental Poverty Measure, which counts tax credits and benefits as income, recorded child poverty at 5.2% in 2021, down from 9.7% in 2020 and the lowest figure since the measure began. Columbia University's Center on Poverty and Social Policy estimated the monthly payments alone kept about 3.7 million children out of poverty in December 2021. Census Household Pulse surveys showed food insufficiency among families with children dropping after the first July deposit. Parents reported spending the money on groceries, rent, utilities, school supplies, and childcare, in roughly that order.

The payments reached families the old credit had never reached, because the earnings requirement was gone. The single mother earning $12,000 got the same $300 a month per young child as the two-earner household at $120,000. That was the point, and it was the reason the expansion ended.

Why did the expansion end and what did that undo?

Congress let it expire on December 31, 2021, and the poverty rate did the rest.

The extension died in the Senate over cost, estimated near $100 billion a year, and over the missing work requirement. Opponents argued that a monthly check with no earnings test would pull parents out of the labor force. Employment data from the six months of payments showed no measurable drop in parents working, and several studies published afterward found the same, but the argument carried. The credit reverted to $2,000, partially refundable, paid once a year at tax time.

Child poverty under the Supplemental Poverty Measure rose from 5.2% in 2021 to 12.4% in 2022. That is the largest one-year increase the measure has recorded, and it was a policy result, not an economic one. Employment grew in 2022. Wages grew. The children fell back into poverty because the check stopped. In 2023 the rate rose again, to 13.7%. Roughly 5 million more children counted as poor in 2022 than in 2021.

For the households involved, the loss was concrete. A family with two young children went from $600 a month in deposits to zero in January 2022, the same month that rent and grocery prices were climbing at the fastest rate in four decades. The diaper and formula bills did not pause. The 2021 experiment had proven the country could cut child poverty in half with a monthly payment smaller than a car note. The 2022 reversal proved it would rather not.

Who gets shorted by the credit as written today?

The families earning the least, in a pattern the 2025 increase kept intact.

Raising the credit from $2,000 to $2,200 helped every family that already got the full amount. It did nothing for the roughly 17 million children whose parents' earnings are too low to reach the full credit, because the refundable cap and the 15% phase-in did not change. A parent working part time at the $7.25 federal minimum wage, unchanged since 2009 (U.S. Dept. of Labor), earns about $15,000 a year and qualifies for about $1,875 in refundable credit total. Two children or four, the number is the same. The neighbor earning $60,000 receives $2,200 for each.

The 2025 law also tightened eligibility. Children already needed a Social Security number under the 2017 rules; the new version requires at least one parent to have one as well, which removes several hundred thousand children in mixed-status families from the credit entirely. The credit is paid once a year, at filing, which means a family facing a $1,200 infant care invoice in March cannot use the credit until the following spring.

Compare that to how peer countries handle the same problem. Canada's Child Benefit pays up to about C$7,800 a year per child under six, monthly, reduced for higher incomes and with no earnings floor. Germany's Kindergeld pays about €250 per child per month to every family. The United Kingdom, France, and the Nordic countries all pay a monthly allowance. None of them require a parent to earn a minimum amount before the child qualifies for help. The United States is the outlier, and the 2021 experiment showed what the outlier status costs.

What does the child tax credit have to do with affordability?

Everything, because it is the only federal money that follows a child from birth.

The cost of raising a child to 18 is commonly cited above $300,000. Center-based care runs $10,000 to $17,000 a year per child (Child Care Aware / Care.com). The country has no paid parental leave, no universal pre-K, and no child allowance. The child tax credit is the entire federal answer to those bills, and it pays $2,200 a year to a family that has $2,200 in tax to cancel, once a year, in April. A parent who leaves work because daycare costs more than the paycheck then loses eligibility for the refundable portion because the earnings that unlock it stopped.

The design is not an accident. A credit that phases in with earnings and pays out at tax time is a credit built to reward work on paper and to reach the poorest children last in practice. The 2021 version reversed both features for six months, and the Census Bureau measured the result to a decimal point. The country now knows the price of cutting child poverty in half. It knows the payment works, that parents keep working, and that the money goes to food and rent. It chose to let the credit lapse, then raised it by $200 for the families who were already fine. Child poverty at 13.7% is the American Dream failing at age two, by decision.