Claim in the Record
OBSERVEDAdded to the Record 2026-07-13Featured in a product
British Columbia net interprovincial flow: level shift
The claim
British Columbia net interprovincial migration, quarterly: level shift detected around 2022 Q3
A two-segment mean-shift scan over the last 40 quarters places the largest level shift in british columbia net interprovincial migration, quarterly around 2022 Q3: mean 4,951 before vs 79 after (shift = 2.0× pooled variability). The detector locates the shift; it does not attribute a cause.
Method
Deterministic two-segment mean-shift scan; break where |Δmean|/pooled sd ≥ 1.5 with ≥8 periods per segment.
Key sources and licences
- Estimates of the components of interprovincial migration, quarterly — Statistics Canada Licence text read in full
| Added to the Record | 2026-07-13 |
|---|---|
| How it is used | Featured in a product |
| Where it appears | Featured in the population domain story — interprovincial redistribution persisted. |
| What would change it | Demographic-estimate revisions to interprovincial flows removing the shift, or the flow returning to its earlier band. |
| Corrections | None on record for this claim — policy → |
Technical details
| Record ID | R17-break:interprov_net__british_columbia |
|---|---|
| Detection rule | R17-break |
| Indicator | interprov_net__british_columbia |
Every figure this Receipt covers can be reproduced from the named public sources under Countability's published method. If a correction is ever needed, it produces a new dated version rather than editing this one.