The album contains guest appearances from Polo G, Lil Tjay, 21 Savage, the Kid Laroi, Gunna, G Herbo's son Yosohn, and Rowdy Rebel.
Production was handled by Southside, Ramsey Beatz, Chase Davis, Daniel Ivy, Hitmaka, SkipOnDaBeat, Turbo, Dougie on the Beat, Don Cannon, Tay Keith, Luca Vialli, Jake One, Hollywood Cole, and DeAvonte Kimble.
The title and number are important to him because his brother and fellow rapper, Gregory Jackson, known professionally as Lil Greg, died on January 28, exactly one week before he turned 25 years old on February 4.
Fred Thomas of AllMusic stated that the album contains "plenty of autobiographical content centered around pain and loss", with "Cry No More" standing out as one of the strongest tracks.
Murray also praised the collaborations and concluded his review by writing that 25 is a "record of breadth and distillation" and that Herbo finds himself "entering rap's A League on his own terms".