SpongeBob's age has been a subject of some inconsistency and interpretation due to the cartoon's floating timeline and lack of character aging. According to an episode where his driver's license is shown, SpongeBob's birthdate is July 14, 1986. This would make him 39 years old as of 2025. However, this poses timeline issues since the show premiered in 1999 when he would have been just 13. The spinoff series "Kamp Koral" depicts SpongeBob as a 10-year-old, and in the main series, Pearl is about 16 years old. Since SpongeBob is roughly 10 years older than Pearl, this interpretation places SpongeBob in his mid-20s, around 25 to 26 years old. The creators have stated that SpongeBob's age is intentionally ambiguous to keep the character timeless and appealing across generations. He is often portrayed as an ageless adult, old enough to live independently and work but youthful in spirit. In summary, SpongeBob's official birthdate would make him 39 years old in 2025, but within the show's context, his age is best viewed as mid-20s and largely ambiguous due to cartoon logic and storytelling flexibility.