Table 1.

Studies on impact of sugar sweetened beverages taxes on sales, purchases and consumption

Jurisdiction	Year of tax introduction	Tax increase	Outcome	Reference
US state-level analysis	Varied between states	Average 4%	1 percentage point increase in the softdrink tax rate reduces the amount of calories consumed by soda by nearly 6 calories	Fletcher et al.[27]
Cleveland, US	2003	5%	2% decline with a standard error of 0.04	Colantuoni and Rojas[28]
Portland, US	1991	5.5%	2% decline with a standard error of 0.04	Colantuoni and Rojas[28]
Berkeley, US	2015	US$ 0.01/oz (0.34/L)	1-year post-tax, 9.6% decline in SSB sales (ounces/transaction) in Berkeley stores	Silver et al.[29]
			Consumption of SSBs decreased 21% in Berkeley and 4% increase in comparison cities	Falbe et al.[30]
Philadelphia, US	2017	US$ 0.015/oz (0.51/L)	30-day regular soda consumption frequency was 38% lower	Zhong et al.[31]
Chile	2014	Increased from 13% to 18%, for drinks containing ≥6.25g added sugar per 100ml	Households decreased monthly per capita purchase volumes of (high sugar) SSBs by 3.4% and 4.0% by calories.	Caro et al.[32]
			21.6% reduction in high tax soft drink volumes purchased	Nakamura et al.[33]
Mexico	2014		1 peso/L	Pre vs both years posttax: decline of 7.3%.
			6.3% decrease in sugar drink consumption	Colchero et al.[34,35,36]
				Aguilar et al.[37]
France	2012	0.0716 Euros/L	Taxed drinks consumption decreased by 9 centiliters per week per person	Capacci et al.[38]
Catalonia, Spain	2016	0.12 Euros/L if >8 g sugar/100 mL	Purchases of SSBs reduced by 4.7 L per product, a reduction by 15.4% with respect to the mean of SSB purchases before the reform	Vall Castello[39]
Saudi Arabia	2017	Soda 50% and energy drinks 100%	Annual purchases of soda and energy drinks reduced by 41% and 58%, respectively in 2018 as compared to 2016	Alsukait et al.[40]