Nearly 3 million Americans are poised to see bigger Social Security benefit checks. For some, that could trigger larger tax bills and Medicare premium payments, experts say.Nearly 3 million individuals are poised to see their Social Security benefits increase,

Biden estimated the bill should lead to an average monthly increase of $360 for certain public employees and their spouses and survivors. The outgoing president said more than 2.5 million Americans will receive a lump sum payment worth "thousands of dollars" to compensate for the benefits they should have received last year.