A few months after taking the anchor seat at “CBS Evening News,” Tony Dokoupil still lags far behind his rivals — and is actually losing viewers, the latest Nielsen figures show.

The nightly newscast pulled in about 3.8 million viewers and fewer than 500,000 adults in the key 25-to-54 demographic during the week of April 6 — a sharp drop that left it trailing both “ABC World News Tonight” and “NBC Nightly News” by wide margins, according to recently released ratings.

Those figures were sharply lower than the previous week’s. “CBS Evening News” lost 8% of its total viewership — and twice that in the 25-to-54 demo.

As Dokoupil has struggled in the anchor chair, CBS News has been roiled behind the scenes — with clashing leadership visions, layoffs and a broader overhaul fueling instability across the division.

Insiders describe a fractured newsroom where top executives are at odds over strategy, even as ratings for flagship programs — including “CBS Evening News” — sink to historic lows and staffers brace for further cuts.

ABC’s flagship broadcast remains the clear leader in the nightly news wars, drawing more than 8 million total viewers and topping 1 million in the 25-to-54 demo during the week of April 6 — nearly double CBS’s audience in both categories.

NBC, meanwhile, is in second place and gaining momentum. “Nightly News” is averaging about 6.4 million viewers and roughly 943,000 in the key demo, while notching steady year-over-year growth that is narrowing its gap with ABC.

The NBC broadcast anchored by Tom Llamas has also emerged as the only evening newscast posting across-the-board gains compared to both last year and last season — underscoring its upward trajectory as CBS continues to slide.

The broadcast has posted steady gains, adding about 384,000 total viewers and 175,000 in the key demo compared with last year, while also ticking up week-over-week.

“NBC Nightly News” has now logged 11 consecutive weeks of year-over-year growth in the 25-to-54 demographic.

The Post has sought comment from CBS News and ABC News. An NBC News spokesperson didn’t respond to a Post inquiry.