Did the alleged offense occur during the presidency?

Nixon
Clinton
Trump 2019
Trump 2021
Biden
Yes Yes Yes Yes No

How long was it between the alleged event and the impeachment launch?

Nixon
Clinton
Trump 2019
Trump 2021
Biden
599 days 264 days 61 days 7 days 3,400+ days*
* For Biden, the number of days was calculated from the date the then-vice president visited Ukraine in 2014.

Did the House formally vote to launch the impeachment inquiry?

Nixon
Clinton
Trump 2019
Trump 2021
Biden
Yes Yes Yes, eventually No Yes, eventually

How close to an election was impeachment launched?

Nixon
Clinton
Trump 2019
Trump 2021
Biden
456 days after Nixon’s reelection in 1972 702 days after Clinton’s reelection in 1996, but 27 days before the 1998 midterms 369 days from the House vote to launch the inquiry to Election Day 2020 71 days after Trump lost the 2020 election 337 days before the 2024 election

Did the House pass articles of impeachment?

Nixon
Clinton
Trump 2019
Trump 2021
Biden
No Yes Yes Yes

Did the Senate vote to convict?

Nixon
Clinton
Trump 2019
Trump 2021
Biden
No No No No