A cat believed to be the world's oldest, Rosie, has died at the age of 33 in England, according to unofficial records.

Lila Brisset, 73, from Norfolk, told The Sun newspaper that her cat Rosie, whom she adopted in the 1990s, passed away at the age of 33. Rosie's age is said to be equivalent to 152 in human years.

Despite her cat's unofficial title as the world's oldest, Brisset never submitted Rosie's details to Guinness World Records.

According to Guinness, the current record holder for the world's oldest living cat is Flossie, aged 28, also from England. The previous record-holder, Creme Puff, lived to be 38 years old.

Guinness World Records tracks the ages of pets, with the title for the world’s oldest cat changing as new contenders emerge. Currently, Flossie, a 28-year-old cat from England, holds the record for the world’s oldest living feline. Flossie gained recognition in November 2022, impressing many with her good health despite her advanced age.

Previously, a cat named Creme Puff held the title of the world’s oldest cat. Born in 1967, Creme Puff lived to be 38 years and three days old before passing away in 2005. This remains the longest life span ever documented for a domestic cat, surpassing Rosie’s 33 years.