Cutting income taxes increases a country's economic growth rate.

Is it true that cutting income taxes increases a country's economic growth rate?

Partly. The retrieved items offer only partial, mostly model-based or single-country evidence: one endogenous-growth model finds comprehensive income taxes suppress growth, an environmental-tax model finds an income tax cut raises growth when paired with green tax reform, and an advocacy account and a Uzbekistan-focused article assert tax cuts or income taxes relate to growth. None provides a general causal estimate that cutting income taxes raises a country's growth rate.

Verdict: CONTESTED PARTIAL · 3 sources for, 1 against · Last checked 3 Oct 2026

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Taxes, Tax Cuts, and Economic Growth. (n.d.). econlib.org. https://www.econlib.org/taxes-tax-cuts-economic-growth

Sun, L. & Nishigaki, Y. (2025). Effect of Comprehensive Income and Consumption Taxes on Human Capital, Economic Growth, and Income Distribution: Endogenous Economic Growth and Empirical Evidence. doi.org. https://doi.org/10.3390/economies13070201

Environmental Tax Reform and Growth: Income Tax Cuts or Profits Tax Reduction. (n.d.). cir.nii.ac.jp. https://doi.org/10.1007/s10640-010-9392-3

Manzura, B. (2025). The Role of Personal Income Taxes in State Finance and Economic Development. zenodo.org. https://doi.org/10.5281/zenodo.14803547