A poll released last week shows Hillary Clinton leading the 2020 Democratic presidential primary, should she decide to join the race.

The Harvard-Harris Poll, conducted in late November, puts former vice president Joe Biden at the head of the current crop of Democrats vying to take on Trump in 2020, with 29 percent support among likely Democratic voters.

Socialist Senator Bernie Sanders is second with 16 percent, followed by Elizabeth Warren with 13 percent, openly gay mayor of South Bend, Indiana, Pete Buttigieg, with 8 percent and former New York City Mayor Michael Bloomberg at 7 percent.

Then the pollster asked the question: But what if Hillary Clinton and John Kerry were in the race?

In that hypothetical situation, Clinton comes out on top with Democrats at 21 percent support, followed by Biden with 20 percent, Sanders with 12 percent, Warren with 9 percent, and Buttigieg and Kerry with 5 percent each. When Democrats and Independents are considered together, Clinton and Biden split the top spot with 15 percent support each.

The numbers are interesting in the context of other data in the poll.

All respondents – Democrat and Republican voters – were asked their impression of Clinton, Trump and many other politicians, and the results were eye-opening.

While Clinton is Democrats’ top pick for the 2020 ticket, a mere 35 percent of Americans view her favorably or very favorably. A whopping 58 percent of Americans have an unfavorable or very unfavorable view of the former first lady.

For Trump, 42 percent of respondents said they have a favorable or very favorable view of the president, while 54 percent had an unfavorable or very unfavorable impression.

Biden’s favorability, for reference, was exactly 44 percent very favorable or favorable and 44 percent unfavorable or very unfavorable.

Clinton was the least liked Democrat in the poll with all respondents considered, but the number one pick for Democrats to lead the ticket against Trump in 2020.

Whether or not Clinton actually joins the race remains to be seen.

She’s repeatedly teased the possibility of a third run at the White House, most recently during an appearance on Britain’s Graham Norton Show last week, The American Mirror reports.

Clinton told Graham she’s been “deluged” with requests to run for president in recent weeks, and she hasn’t yet ruled it out.

“Right now, I’m not, at all, uh, you know, planning that,” she said.

The deadline has already passed to get on the primary ballot in New Hampshire, though there is no deadline for the first in the nation Iowa caucuses in early February.

“I’d have to make up my mind really quickly,” Clinton told Graham, “because it’s moving very fast.”