A Roy Morgan Single Source survey has found that 37.9 per cent of Australians aged 14+ (7,427,000 people) used Gmail in an average four weeks
during the year to March 2016. Meanwhile, 37.6 per cent (7,362,000 people) used a Microsoft email account during the period. Google-owned Gmail has gained
an additional 3.5 million users in Australia since 2012, while Microsoft (Hotmail/Live/Outlook.com) has gained 1.1 million users. Telstra's BigPond Email
and Yahoo! 7 Mail boast 2,912,000 and 2,156,000 Australian users respectively.