New York Post Reports: Bud Light’s downward spiral has accelerated in the wake of the Dylan Mulvaney debacle — and the carnage has begun to spill into Anheuser-Busch’s other mega-buck brands, The Post has learned.

Nationwide retail sales of Bud Light were down 23.4% versus a year ago in the week ended April 29 — worse than the 21.4% decline they suffered a week earlier, according to Bump Williams Consulting and NielsenIQ data.

Meanwhile, as beer drinkers discover how many other beer brands fall under the Anheuser-Busch umbrella, the backlash is widening, according to the fresh data.

The company’s flagship Budweiser brand took an 11.4% sales hit for the week ended April 29. Sales of Bud’s Michelob Ultra brand — the third-biggest-selling in the US behind No. 1 Bud Light and No. 2 Modelo Especial — were down 4.4%, according to Bump Williams data.

“It’s not just a Bud Light issue,” said Bump Williams, chief executive of the consultancy. “It’s an Anheuser-Busch portfolio problem now.”