Birthday Statistics
Common birthday rankings, rare birthday patterns, seasonal birth trends, and calendar-based birthday data.
Use the sections below to explore the birthday details, tools, and date ideas that fit what you are looking for.
Explore Birthday Statistics
Most Common Birthdays
Learn why some birthdays cluster in late summer and early fall.
Rarest Birthdays
See why holidays and February 29 often feel rare.
Birthday Rankings Explained
Understand how the site turns calendar patterns into an estimated birthday rank.
📊 Reading Birthday Statistics Without Overthinking Them
Birthday rankings are best treated as fun calendar comparisons. Exact results can change depending on the country, years measured, data source, and whether special dates are handled separately. The useful part is the pattern: some dates cluster, some holidays tend to feel unusual, and February 29 stands apart because it only appears in leap years.
Use the statistics to add context, not to define the birthday. A date can rank as common and still be deeply personal. The year, weekday, family story, location, season, and milestone age all add layers that a simple rank cannot capture.
🎊 Statistics Worth Checking
- Estimated birthday rank among 366 dates.
- Common and rare birthday patterns by season.
- Holiday and leap-day effects.
- How one birthday compares with another date.