Statistics Canada Reveals Most Common Birthday

Data from the past thirty years identifies September 20 as the most frequent day for births in Canada.

Updated on Oct. 16, 2026 in Canada

Statistics Canada Reveals Most Common Birthday

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Statistics Canada has released a comprehensive ranking of daily birth frequencies across the country from 1995 to 2025. The analysis shows that September 20 is the most common birthday for Canadians.

Why it matters

The study offers a rare look at national demographic patterns and how seasonal trends influence birth rates. Understanding these fluctuations helps illuminate the timing of family planning across the population.

Researchers ranked 366 possible calendar dates, finding that the eight most frequent birthdays fall between September 7 and September 26. Conversely, holidays like Christmas Eve and New Year's Day ranked poorly, with the latter at 362nd place.

The players

Statistics Canada

Statistics Canada is the national statistical agency responsible for producing data that helps Canadians better understand their country.

The details

Statistics Canada analyzed decades of live birth records to compile these rankings for every day of the year. The findings demonstrate a clear trend favouring mid-September for births, while late December and February 29 remain the least common times for new arrivals.

The study analyzed live birth data collected from 1995 to 2025.
Statistics Canada released the birthday frequency findings on October 15, 2026.

Travel Outlook

This data mirrors long-standing demographic observations regarding seasonal birth spikes that impact family life cycles. It follows the established pattern of Statistics Canada longitudinal birth frequency studies, which document how human birth rates shift over thirty-year cycles.

Readers can use these statistics to understand national trends in family timing and birth seasonality. The data highlights that birthdays are not evenly distributed, which can affect the timing of events and school-age populations throughout the year.

The takeaway

While birth rates fluctuate daily, the data highlights that September remains the most common time of year for new births in Canada. This insight serves as a reminder of how social and seasonal factors can create distinct patterns in population growth.