The World Bank's low-income threshold is based on the operational threshold for 'civil works preference'.
Notes on verification
Corroborated by CGD analysis, UN DESA background paper, and a World Bank Policy Research Working Paper, all consistent with the original claim and each other. [tier=silver indep_score=0.925 clusters=2 claim_tier=notable]
Sources
- How are the income group thresholds updated? (seed:economics_and_business)
- https://www.cgdev.org/blog/what-does-it-mean-be-low-income (corroboration)
- https://www.un.org/en/development/desa/policy/cdp/cdp_background_papers/bp2014_21.pdf (corroboration)