Poll: Biden leads in Iowa ahead of caucuses

Poll: Biden leads in Iowa ahead of caucuses
© Aaron Schwartz

Former Vice President Joe BidenJoe BidenHow 'Buy American', other pro-US policies can help advocates pass ambitious climate policies Overnight Defense & National Security — Presented by Raytheon Technologies — Biden backtracks on Taiwan Photos of the Week: Manchin protestor, Paris Hilton and a mirror room MORE (D) holds a narrow lead in Iowa just days ahead of the state's caucuses, according to a poll released Sunday.

A USA Today/Suffolk University survey of likely caucusgoers found Biden in the lead with 25 percent of respondents indicating that they will support him, while Sen. Bernie SandersBernie SandersOvernight Health Care — Presented by Carequest — Study finds Pfizer vaccine almost 91 percent effective for 5 to 11 year olds The Hill's Morning Report - Presented by Uber - Manchin, Sanders in budget feud; Biden still upbeat Democratic frustration with Sinema rises MORE (I-Vt.) and former South Bend, Ind., Mayor Pete ButtigiegPete ButtigiegBiden's Big Labor policies will create next round of inflation Airlines should give flight attendants 10 hours of rest between flights: FAA GOP memo urges lawmakers to blame White House 'grinches' for Christmas delays MORE (D) trailed at 19 percent and 18 percent in the poll, respectively.

Sen. Elizabeth WarrenElizabeth WarrenSinema's office outlines opposition to tax rate hikes The CFPB's data overreach hurts the businesses it claims to help Runaway higher ed spending gains little except endless student debt MORE (D-Mass.), who has also battled among the top tier in Iowa, sat at 13 percent in the poll, the same percentage of likely caucusgoers who told pollsters that they were currently undecided.

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Another 45 percent remain uncommitted to their top choice, meaning that any of the top candidates could see significant gains or drops in their support levels before next week's caucuses.

No other candidates registered above 6 percent support in the poll, suggesting a clear divide between the top four candidates and the remainder of the Democratic field in the first-in-the-nation caucus state.

USA Today/Suffolk University's poll surveyed 500 likely caucusgoers by landline and cell phones between Jan. 23-26. The margin of error is 4.4 percentage points.