Strategy Analytics said global smartphone shipments fell by 3 per cent year-on-year to reach 335 million units in the first quarter of 2016, marking the first time in history that this market has shrunk on an annualised basis.
The Middle East and Africa (MEA) tablet market declined 8.8 per cent year on year in the final quarter of 2015 to total 4.05 million units, according to latest figures from IDC.
The worldwide tablet market declined yet again in the fourth quarter of 2015 with 65.9 million units shipped, down 13.7 per cent year-on-year.
Gartner predicted that worldwide spending on devices including PCs, 'ultra mobiles', tablets and mobile phones will decline for the first time in 2016, although overall shipments are expected to increase slightly by 1.9 per cent to reach 2.4 billion units.
ABI Research predicted that 156 million tablets will ship in 2020, marking a 3 per cent CAGR for the device category between 2015 and 2020.
Tablet shipments in the Czech Republic slowed during 2015 on a year-on-year basis as the market became increasingly saturated and users also showed a growing preference for large-screen smartphones or "phablets".
Worldwide tablet shipments will reach 211.3 million units in 2015, down 8.1 per cent from 2014, according to a new forecast from IDC.
The worldwide tablet market recorded lower shipments for the fourth straight quarter with 48.7 million units shipped in the third quarter of 2015.
Gartner issued a somewhat gloomier forecast for the mobile devices market in 2015, revising downwards its previous prediction of 1.5 per cent growth this year to a 1 per cent decline from 2014 to 2.4 billion units.
The Middle East and Africa (MEA) tablet market (which includes 2-in-1 devices) posted flat growth of 0.3 per cent year-on-year in the second quarter of 2015.