President Joe Biden will leave office on Monday, after President-elect Donald Trump is inaugurated at 12 PM Eastern Time. But the 46th president of the United States is using one of his final public appearances to take swings at Republican-led states' economic management.

PolitiFact has been tracking President Joe Biden's campaign promises. Here’s a rundown of what Biden did and didn’t accomplish.

Ex-CNN editor Chris Cilizza conceded on Monday that he "screwed up" in his assessment of the lab leak theory, suggesting that President Trump was likely right about COVID's origins.

What's next for Biden after leaving the White House? Scripps News learned about the former president's plans for the immediate future.

In his last day as president, Joe Biden pardoned five members of his extended family, including his two brothers, James Biden and Francis Biden, and his sister Valerie Biden Owens. He also issued pardons to former White House medical adviser Anthony Fauci, who helped coordinate the nation’s response to the COVID-19 pandemic.

Biden said he believes the people he is granting clemency to are “serving disproportionately long sentences” based on harsher old laws.

The rescinded orders include directives boosting the Affordable Care Act exchanges, coordinating the government’s COVID-19 response and overseeing artificial intelligence tools.

President Joe Biden used his farewell address to the nation on Jan. 15 to warn against the concentration of power not only in government but also in other elements of society, such as in corporations and the technology industry.

TikTok CEO Shou Zi Chew responded to comments made by Donald Trump regarding Friday's Supreme Court ruling to ban the app in the U.S. TikTok appears to be relying on support from Trump to maintain the legality of the Chinese-owned platform in the United States.

Retired Gen. Mark Milley has expressed his gratitude to President Joe Biden for issuing him a pardon, saying the move alleviates his concerns over potential "retribution" by the incoming Trump administration.

Historians say it will take years to fully assess Joe Biden's legacy, but several spoke to ABC News to offer a glimpse of their view on his presidency.

President-elect Donald Trump is set to take the oath of office for a second time on Inauguration Day. Here's a look at photos from inaugurations past.