Economist Dawie Roodt Warns South Africa Has Breached Its Fiscal Breaking Point Amid Stagnant Growth

Economist Dawie Roodt warns that South Africa can no longer raise income taxes without losing revenue. Learn why he believes the current fiscal path is unsustainable.

By: AXL Media

Published: Apr 9, 2026, 5:19 AM EDT

Source: Information for this report was sourced from Daily Investor

The Limits of the Laffer Curve

South Africa has officially surpassed its theoretical breaking point regarding the national tax burden, according to Efficient Group chief economist Dawie Roodt. Speaking at the recent BizNews Conference, Roodt explained that the country is now positioned too far along the Laffer Curve—a mathematical representation of the relationship between tax rates and total revenue. He argues that any further hikes to Personal Income Tax (PIT) or Corporate Income Tax (CIT) will likely decrease total collections as wealthy individuals and profitable firms pivot toward tax efficiency rather than expansion.

Stagnation and Debt Compounding

The core of the fiscal crisis lies in a fifteen year period of economic stagnation. South Africa’s growth rate remains consistently lower than the interest rate the government pays on its sovereign debt. This disparity ensures that the state’s debt burden compounds at a faster rate than organic tax revenue can be generated. Roodt noted that while fiscal consolidation has limited state spending, the lack of growth prevents the debt-to-GDP ratio from reaching a sustainable level, leaving the National Treasury with dwindling options for balancing the books.

Highly Concentrated Tax Base

Roodt pointed to the extreme concentration of the South African tax base as evidence of the system's fragility. Currently, just 2.6% of the population contributes over 66% of all income tax, while a mere 1,051 companies account for 72.3% of all corporate tax revenue. This high concentration makes the fiscus vulnerable to the migration of skilled professionals and the scaling back of major corporate operations. According to Roodt, reducing these rates would likely be more effective at boosting revenue by incentivizing the investment needed to stimulate the broader economy.