Sign reversal
Contraction → growth
Saudi Arabia 2023 is the first published Vault case.
Core measurement asset · live seed
Economic data has a history. We preserve it.
The MENA Vintage Vault stores statistical releases as time-stamped evidence objects. Later revisions are appended rather than used to erase what analysts, researchers and policymakers actually saw before.
Measurement Anomaly 001 · Saudi Arabia · 2023 GDP
Saudi Arabia’s reported 2023 growth changed sign.
Pre-revision vintage−0.8%2023 real GDP growth
Comprehensive revision+0.5%2023 real GDP growth
The final pre-comprehensive-revision 2024/Q4 publication still showed 2023 real GDP growth at −0.8%. The revised annual national accounts report +0.5%. The vintage transition therefore changes the qualitative description of 2023 from contraction to growth: a +1.3 percentage-point narrative reversal.
This is a statistical-measurement event, not a claim that the underlying economy changed after 2023 ended.
What else changed?
The comprehensive revision materially changed measured nominal GDP and sector composition.
| Object | Pre-revision | Revised | Change |
|---|---|---|---|
| Nominal GDP, 2023 | ~SAR 4.003tn | ~SAR 4.570tn | GASTAT reports +14.1% / +SAR 566bn using underlying estimates |
| Real GDP growth, 2023 | −0.8% | +0.5% | +1.3pp; sign reversal |
| Non-oil share of nominal GDP | 47.5% implied | 53.2% | +5.7pp |
| Construction activity estimate | Previous estimate | Revised estimate | +61% |
| Wholesale/retail/restaurants/hotels | Previous estimate | Revised estimate | +29.8% |
| Transport/storage/communications | Previous estimate | Revised estimate | +25.6% |
Rounding note. Rounded published nominal totals imply a SAR 567bn arithmetic difference, while GASTAT reports SAR 566bn from the underlying estimates. The Lab uses the official revision amount rather than manufacturing an extra billion from rounded display values.
Research object: narrative reversal
A narrative reversal occurs when a later official statistical vintage changes the qualitative conclusion implied by an earlier comparable vintage.
Ranking reversal
A > B → B > A
Cross-country or sector ordering changes under later comparable vintages.
Threshold reversal
Below → above
Derived ratios or growth thresholds cross a decision-relevant boundary after revision.
Build path
The Saudi case is the seed, not the finished regional archive.
- Reconstruct annual and quarterly Saudi GDP vintage chains for 2011–2023.
- Detect sign, ranking, acceleration/deceleration and threshold reversals.
- Replicate the same structure for Jordan, Morocco and Tunisia using documented methodology-shock episodes.
- Publish revision-risk distributions only after sufficiently dense comparable vintage chains exist.
Current state: first verified narrative-reversal pair live · regional historical reconstruction in build · no unobserved vintage magnitudes are inferred.