2004 to 2025: Your Age Timeline, Milestones & Highlights

In 2025, someone born in 2004 turns 21. Below is the full year-by-year age timeline.

Born in
2004
Target year
2025
Age in target year
21
Years Old

Quick answer

In 2025, someone born in 2004 turns 21. Below is the full year-by-year age timeline.

2004 to 2025 Age Timeline (Year-by-Year)

YearAgeMilestones
20040Born
20051—
20062—
20073—
20084—
20095—
20106—
20117—
20128—
20139—
201410—
201511—
201612—
201713Teen years
201814—
201915—
202016—
202117—
20221818 (adult)
202319—
202420—
20252121 milestone