The report was based on data from more than 7 billion emails sent by brands in 3Q17 via the Yesmail360i platform. The researchers also looked at data from the previous three years as part of the analysis.
In 3Q14, some 17% of all subscribers to brands' email programs were using Gmail. That percentage increased to 30% in 3Q17.
Some 49% of consumers who opted into marketers' email programs in the previous 90 days use Gmail.
That's compared with 15% who use Yahoo, 8% who use Hotmail/Outlook, 3% who use AOL, and 26% who use other ISPs.
Ayaz Nanji is an independent digital strategist and a co-founder of ICW Content, a marketing agency specializing in content creation for brands and businesses. He is also a research writer for MarketingProfs. He has worked for Google/YouTube, the Travel Channel, AOL, and the New York Times.
LinkedIn: Ayaz Nanji