Ontario Vital Statistics Registrations from 1925 to 2025

Quarterly counts of birth, death, and marriage registrations in Ontario compiled by the Office of the Registrar General. The data spans from 1925 to the most recent preliminary figures for 2025, with final annual counts published in official reports. Each quarterly report provides cumulative totals, with preliminary data for 2024 and 2025 subject to revision.

Use Cases

• Analyze long-term trends in birth, death, and marriage registration counts across nearly a century of Ontario data.
• Compare preliminary quarterly registration totals for recent years against final annual report figures to assess data completeness.
• Model seasonal patterns in vital event registrations using the quarterly time series structure of the data.
• Study the impact of reporting lags by examining data collated approximately 90 days after each reference quarter.

Strengths

• Provides a nearly 100-year time series of vital statistics, from 1925 to 2025.
• Data is sourced from the authoritative Office of the Registrar General under the Vital Statistics Act.
• Includes clear documentation on data status, distinguishing preliminary quarterly counts from final annual figures.

Limitations

• Preliminary data for 2024 and 2025 is incomplete and may not match counts from other sources, especially for events near the end of reporting periods.
• The dataset contains aggregated counts only; individual-level or demographic breakdown data is not available.
• Data is collated with a 90-day lag after each quarter, limiting real-time analysis.

Provenance

Source

Government of Ontario, Office of the Registrar General.

Collection Method

Counts of vital event registrations completed by the Office, collated approximately 90 days after each calendar quarter.

Time Range

1925 to 2025.

Freshness

Updated quarterly, with the last update recorded on March 18, III.

Geography

Ontario, Canada.