To check whether an Australian name count has been revised, compare the version or release date of the dataset you saved against the current published release, and read the publisher’s update notes for that release. A name count is revised when the responsible agency re-issues the data with corrections, late registrations, or method changes. The public page may show a new date without changing every row, so the count for a specific name can move even when the list looks similar.
This guide uses the documented update behaviour of official Australian release pages as the practical model. The verified example below is the Australian Immunisation Handbook Catch-up Calculator page, which records dated version updates such as Version 4.6.1 on 3 September 2026 [source: https://immunisationhandbook.health.gov.au/catch-up-calculator/calculator]. The same check method applies to name-count releases when the publisher provides version history.
Why published name numbers can move after the fact
A name count is a compiled total, not a fixed record. After the first publication, agencies may receive late birth registrations, fix classification errors, or adjust how variant spellings are grouped. In the immunisation example, the calculator page shows repeated corrections such as “Corrected hepatitis B vaccine recommendations” and “Fixed an issue with the incorrect DTPa recommendations” across versions dated from 2024 to 2026 [source: https://immunisationhandbook.health.gov.au/catch-up-calculator/calculator]. That pattern shows why a published count should be treated as a snapshot tied to a release version.
Practical interpretation: if you quoted a name count from a PDF or screenshot, you should not assume the number is still current. The figure is only as valid as the release it came from.
Step 1: Locate the release identifier and date
Before comparing numbers, find the release marker. For the immunisation calculator, the page states “This page was updated on 03 September 2026” and lists “Version 4.6.1” [source: https://immunisationhandbook.health.gov.au/catch-up-calculator/calculator]. For a name count, the equivalent may be:
- A publication date on the dataset landing page
- A version number in the file name or metadata
- A “Last updated” field in the data catalogue
If no version or date is shown, the publisher has not given a verifiable revision signal. You should verify with the responsible agency before citing the count.
Step 2: Open the current update or version history
A revision is confirmed by reading what changed. The immunisation page provides “View history of updates” and lists 22 page updates, including Version 4.6.0 on 5 August 2026 and Version 4.5.2 on 28 May 2026 [source: https://immunisationhandbook.health.gov.au/catch-up-calculator/calculator]. Each entry describes corrections rather than only restating the total.
For name counts, look for:
| Check | What to find | Revision signal |
|---|---|---|
| Release notes | List of fixed errors or added records | Explicit correction statement |
| Version history | Dated entries with change summaries | New version after your saved copy |
| Dataset metadata | Changed row counts or file hash | Different count than prior download |
If the current release notes mention the name group you cited, the count may have moved.
Step 3: Compare your saved count with the current count
Take the specific name and year from your saved file. Open the current release for the same name and year. If the numbers differ, check whether the update notes explain why. In the immunisation example, Version 4.5.1 corrected a MenACWY schedule so “NICC now correctly recommends one primary dose” for a previously unvaccinated healthy 10-year-old [source: https://immunisationhandbook.health.gov.au/catch-up-calculator/calculator]. A name-count revision may similarly state “late registrations included” or “spelling variants merged”.
Questions to verify with the publisher: - Does the new release replace or supplement the old one? - Are revisions applied to past years or only the latest year? - Is the change due to method, data quality, or scope?
Step 4: Record the version you rely on
When you use a name count, note the source URL, publication date, and version identifier. The immunisation calculator page links to the “National Immunisation Catch-up Calculator (NICC) Business Rules Specifications (BRS)” and states the BRS “describes the agreed business rules stipulated for the Australian Immunisation Handbook (AIH) NICC for the ‘Children and Adolescents Under 20 Years of Age’ cohort” [source: https://immunisationhandbook.health.gov.au/catch-up-calculator/calculator]. For name data, the equivalent is the methodology or definitions document.
Practical interpretation: a count without a dated method reference is harder to defend if later revised.
Checklist for confirming a revision
- [ ] Saved the original release date and version
- [ ] Opened the current publisher page or dataset
- [ ] Read the update history for the relevant period
- [ ] Compared the exact name and year
- [ ] Identified whether notes explain the difference
- [ ] Recorded the version used in your work
Concrete next step
Open the name-count release you previously used and locate its “Last updated” or version field. Then open the publisher’s current page and check the update list for any entry after your saved date. If the publisher shows correction notes affecting your name group, treat the count as revised and update your reference. If no history is published, contact the responsible agency to ask whether the count has changed since your version.
General information boundary
This article explains a checking method using verified update behaviour from an official Australian publication. It is general information, not legal, data-governance, or statistical advice. It does not promise that any name count has or has not been revised. You should verify version status, definitions, and correction scope with the responsible publisher before relying on a specific figure.