Domestic terrorism incidents have soared to new highs in the United States, driven chiefly by white-supremacist, anti-Muslim and anti-government extremists on the far right, according to a Washington Post analysis of data compiled by the Center for Strategic and International Studies.

The surge reflects a growing threat from homegrown terrorism not seen in a quarter-century, with right-wing extremist attacks and plots greatly eclipsing those from the far left and causing more deaths, the analysis shows.

The number of all domestic terrorism incidents in the data peaked in 2020.

Since 2015, right-wing extremists have been involved in 267 plots or attacks and 91 fatalities, the data shows. At the same time, attacks and plots ascribed to far-left views accounted for 66 incidents leading to 19 deaths.

“What is most concerning is that the number of domestic terror plots and attacks are at the highest they have been in decades,” said Seth Jones, director of the database project at CSIS, a nonpartisan Washington-based nonprofit that specializes in national security issues. “It’s so important for Americans to understand the gravity of the threat before it gets worse.”

More than a quarter of […]