Figures from recycling comparison site comparemymobile.com appear to confirm that unwanted iPhones, iPads and iPods make up almost half of the sector.
The results, which were calculated based on data from 2 million customers, place Samsung in second place with 18.5% of the market and BlackBerry in third with 12%, followed by Nokia on 8% and HTC on 5%.
Two of the top-five most traded-in products were Apple devices, with the 16GB model of the iPhone 4 making up 17% of all devices sold and the iPhone 3GS accounting for 7%.
The BlackBerry 8520 and the Samsung Galaxy S and S2 rounded off the top five.
Apple devices were also deemed the most valuable in the trade-in market, with iPad losing just 8.7% of its cash value after a year, compared to the rivalling Galaxy Tab's 30%.
comparemymobile.com appears to confirm that the average price of recycled tech products has risen by 570% since 2007, and increased by 31% in the last year alone.