The album contains guest appearances from Asake, Anitta, Coco Jones, Giveon, Seyi Vibez, Rvssian, and Rauw Alejandro.
[11] Tamil Makinde of NME stated that "Starr confidently blends genres, segueing from romantic deep cuts to emotional odes about her roots, produced by the likes of Louddaaa.
In tracks like "Lagos Love Story", she flirts with reckless romance, while in "Last Heartbreak Song", an R&B-powered duet with Giveon, she finds the strength to move on.
[14] Kadish Morris of The Guardian gave the album 4/5 stars, praising Starr's vocal range and experimentation with various sounds and cadences, stating: "Here, she puts that big voice to work.
[13] Adeayo Adebiyi of Pulse Nigeria gave the album a 9.1/10 rating, stating that "The Year I Turned 21" is an accomplished sophomore effort that excels in all aspects, showcasing Ayra Starr's confidence and superior talent.