A total of 69% of phones in use by the end of December were smartphones, Kantar Worldpanel said.
It added that in the last three months of 2013, 85% of mobiles sold were hi-tech devices.
Android remains the dominant operating system throughout
Apple's rival system for iPhones lost market share in most territories but held strong in key markets of the US (43.9%),
Although Windows has strengthened its position struggling maker
Kantar Worldpanel ComTech strategic insight director Dominic Sunnebo said: "Windows Phone has now held double digit share across
Samsung remains the dominant maker but is coming under increasing pressure globally.
Its European share dropped 2.2% to 40.3% last year while it remained flat in
Mr Sunnebo added: "It's no surprise that everyone is concentrating on high growth
"In December, Xiaomi overtook both Apple and Samsung to become the top selling smartphone in
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