Ohio Senate candidate Mike Gibbons keeps falsely saying millions more people voted in 2020 than were registered to vote

Businessman Mike Gibbons has gained ground in Ohio's competitive Republican primary for the state's open US Senate seat. And like some of his rivals, Gibbons has been making wildly inaccurate claims about the 2020 election.
At a debate on March 18, Gibbons said, "I know this: Five million more people voted than were registered to vote. There's something wrong."
At a debate on March 21, Gibbons repeated his claim about five million more people voting than were registered to vote, and he added that his numbers came "from the US Census Bureau." He reiterated this...