For the study researchers analyzed both real prices of sugar-sweetened beverages (SSBs) as well as relative income prices, based on annual per capita income in 40 high-income and 42 low-income and middle-income countries around the world between from 1990 to 2016. They used Coca-Cola as a proxy for all sugar-sweetened beverages because it is the most globally recognizable sugar-sweetened beverage brand and widely available worldwide, comprising more than one-fourth (25.8%) of the global market in 2014, more than double its closest competitor.
They found sugar-sweetened beverages became more affordable in 79 of 82 countries between 1990 and 2016, most often due to a combination of increases in income and decreases in price. Real prices dropped in 56 of the 82 countries.
Countries - Person - Percent - Beverages - Share
"Overall in the countries we studied, a person in 2016 could buy 71 percent more sugar-sweetened beverages with the same share of their income than they could in 1990," said Jeffrey Drope, Ph.D., study co-author. "Sugary drinks became even more affordable...
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