# RIR – gap as non-secondary material, EU-27 (tin) – EU27, 2024

**39.90 %**

- Fact ID: `PSNUE-W-RIR-LUKA-NIEWTORNA`
- Label (PL): RIR – luka jako surowiec niewtórny, UE-27 (cyna)
- Value (machine): 39.9
- Standard deviation: 4.3
- 90% interval (5th–95th percentile of Monte Carlo draws): 33 to 47.1
- Unit: %
- Period: 2024
- Area: EU27
- Metal: sn
- Verification: reconciled
- Note: Indicator from the reconciled 2024 balance; 90% interval (5th and 95th percentiles of 20,000 accepted Monte Carlo draws, each draw reconciled separately): from 33.0 to 47.1%; standard deviation of these draws 4.3 percentage points.
- Source: Tin flow in the EU-27, 2024 balance – model estimates with a wide uncertainty interval (ai-waw.com) – https://ai-waw.com/przeplyw-metali/przeplyw-cyny-ue (class C, primary data under the publishers' licences; calculations by ai-waw.com)
- Publisher: ai-waw.com (calculations); data: Eurostat, mining statistics, World Mining Data, ITA, BGS, company reports, EEA, ECHA, EU legal acts, EC, SCRREEN, JRC, peer-reviewed literature
- Metal flow analysis: [AIWAW-2026-PSNUE – EU-27 Tin Flows](https://ai-waw.com/en/metal-flows/eu-tin-flow-analysis.md)

Cite: ai-waw.com, AIWAW-2026-PSNUE v1.1, fact PSNUE-W-RIR-LUKA-NIEWTORNA – https://ai-waw.com/przeplyw-metali/przeplyw-cyny-ue