WASHINGTON (AP) -- By its own estimate, the government made about $100 billion in payments last year to people who may not have been entitled to receive them -- tax credits to families that didn't qualify, unemployment benefits to people who had jobs and medical payments for treatments that might not have been necessary.
Congressional investigators say the figure could be even higher.
The Obama administration has reduced the amount of improper payments since they peaked in 2010. Still, estimates from federal agencies show that some are wasting big money at a time when Congress is squeezing agency budgets and looking to save more.
Some improper payments are the result of fraud, while others are unintentional, caused by clerical errors or mistakes in awarding benefits without proper verification.
In 2013, federal agencies made $97 billion in overpayments, according to agency estimates. Underpayments totaled $9 billion.
The amount of improper payments has steadily dropped since 2010, when it peaked at $121 billion.
The Obama administration has stepped up efforts to measure improper payments, identify the cause and develop plans to reduce them, said Beth Cobert, deputy director of the White House budget office.
Agencies recovered more than $22 billion in overpayments last year.
-Stephen Ohlemacher, Associated Press/FederalNewsRadio.com