Anti-abortion advocates are celebrating the 50th anniversary of the federal prohibition on taxpayer-funded abortions, even as they warn of a growing threat that Democrats will repeal the measure if they gain power.

More than 2.6 million children were born in the past five decades because of the Hyde Amendment, a restriction on abortion payments included in government funding bills for half a century, according to the Charlotte Lozier Institute, an anti-abortion think tank.