Many white supremacists subscribe to the bogus conspiracy theory that white people are going extinct due to immigration and falling birthrates among white women.

To them, the strict abortion bill that passed the Alabama Senate on Tuesday ― which aims to challenge a woman’s constitutional right to choose to end a pregnancy ― represents a huge victory in their effort to propagate the “white race.”

“Praise God,” wrote Gab founder Andrew Torba in a post on his social media site for white supremacists and neo-Nazis, just minutes after the bill passed.

“Great news for the future children of America I would say,” responded one Gab user. Another said, “It’s only fair that we make it illegal for whites only.”

The paranoid fear that white people are being replaced was encapsulated perfectly by Rep. Steve King (R-Iowa) ― one of America’s most prominent white supremacists ― when he tweeted in 2017, “Culture and demographics are our destiny. We can’t restore our civilization with somebody else’s babies.”

King was echoing a view shared by white supremacists all over the world: The conspiracy theory of the “Great Replacement” holds that immigration by people of color into traditionally white-majority countries and falling birthrates among white women are pushing white people, specifically in the West, toward extinction.