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Sector briefs
A brief is released only once every value inside it names a source that can be checked. Each brief states its period, method version, publication date and the evidence that is still missing.
Method: Observatory method v0.1
Zambia copper output, calendar year 2024 — demonstration brief
Zambia — Mining and Minerals · Calendar year 2024
Records the reported national copper total for 2024 against 2023, states the calculation used for the year-on-year change, and lists what is still missing before any sector judgement can be made.
Limitations: Built from a ministerial statement reported by news agencies. Employment, supplier and electricity measures are not established.
Published 2025-01-24 · last update 2025-01-24 · Observatory method v0.1
Records inside this brief
| Indicator | Value | Period | State | Content and release | Source, method and limitation |
|---|---|---|---|---|---|
| Production volumecopper-and-cobalt | 820,676tonnes of copper | Calendar year 2024 | Green | Observed factModerate confidenceApproved for publication |
Limitation: Ministerial statement reported by news agencies. Not yet reconciled against an audited national statistics release. |
| Production volumecopper-and-cobalt | 732,583tonnes of copper | Calendar year 2023 | Amber | Observed factModerate confidenceApproved for publication |
Limitation: Comparison base as stated in the same ministerial briefing. |
| Production volumecopper-and-cobalt | +12.0% change year on year | 2024 against 2023 | Green | Calculated resultModerate confidenceApproved for publication |
Formula: (820,676 − 732,583) ÷ 732,583 × 100 = 12.0% Limitation: Derived from two reported totals from the same source. Rounded to one decimal place. |
| Employmentcopper-and-cobalt | No valuepeople | Not established | Insufficient Evidence | Observed factUnverifiedIn review |
Limitation: No published sector employment figure has been registered for this period. The value is left empty, not estimated. |
What is not yet publishable
The open register of gaps and conflicts that keep briefs from being written.
| Type | Scope | Statement | Owner | Last update |
|---|---|---|---|---|
| Gap | Zambia — Mining and Minerals — Employment | No published sector employment series registered. Value left empty rather than estimated. | Sector analyst | 2025-01-24 |
| Conflict | Zambia — Energy and Power — Supply reliability | Public accounts of 2024 electricity restrictions differ in measure and period. Unresolved pending review. | Sector publisher | 2025-01-24 |
| Gap | All other SADC country and industry combinations | No approved records loaded. Those pages show Insufficient Evidence by design and will remain empty until sources are registered and reviewed. | Sector analyst | 2025-01-24 |