Soda Taxes are Highly Regressive and Not Too Effective at Reducing Obesity

July 1, 2009

The National Center for Policy Analysis summarized recent studies on the effect of soda taxes:

  • Increasing the soft drink tax by 55 percentage points would decrease the obese and overweight population by only 0.7 percentage points.
  • That means a 27.5 cent tax on a 50 cent can of soda would only lower the number of the obese and overweight from 66 percent to 65.3 percent of the population.

Such excise taxes are also highly regressive:

  • On average, the bottom fifth of income earners spend 1.7 percent of their gross income on alcoholic beverages compared to 0.6 percent for the top 20 percent.
  • They spend 2.5 percent of income on tobacco products versus 0.2 percent for the top 20 percent.
  • They spend 9.9 percent on gasoline and motor oil compared to 2.3 percent for the top 20 percent.

See their full report here.

More on excise taxes here.

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