Now that the 2026 midterm elections are less than a year away, public interest in where things stand is on the rise. Of course, in a democracy no one knows the outcome of an election before it takes place, despite what the pollsters may predict.
Nevertheless, it is common for commentators and citizens to revisit old elections to learn what might be coming in the ones that lie ahead.
The historical lessons from modern midterm congressional elections are not favorable for Republicans today.
Most of the students I taught in American government classes for over 40 years knew that the party in control of the White House was likely to encounter setbacks in midterms. They usually did not know just how settled and solid that pattern was.
Since 1946, there have been 20 midterm elections. In 18 of them, the president’s party lost seats in the House of Representatives. That’s 90% of the midterm elections in the past 80 years.
