The driving factor behind the rise are "solid products from Google, Amazon, Samsung, and others" (meaning Android tablets) and anticipated strong sales for the iPad mini and the iPad.
IDC’s tablets research director, Tom Mainelli said:
Tablets continue to captivate consumers, and as the market shifts toward smaller, more mobile screen sizes and lower price points, we expect demand to accelerate in the fourth quarter and beyond.IDC raised its forecast for 2013 shipments to 172.4 million units, up from its earlier prediction of 165.9 million units. In addition, IDC estimated that 2016 tablet shipments will reach 282.7 million units, up from 261.4 million previously.
Ryan Reith, program manager for IDC’s Mobile Device Trackers, said that:
... the breadth and depth of Android has taken full effect on the tablet market as it has for the smartphone space. Android tablet shipments will certainly act as the catalyst for growth in the low-cost segment in emerging markets given the platform’s low barrier to entry on manufacturing.In other words, just as with Android smartphones, Android tablets will sell well in markets where cost is a pre-eminent driver.
However, despite that statement, Android isn't expected to overtake iOS. By 2016, IDC predicted that Apple will hold a 49.7 percent market share, while Android has 39.7 percent of the market. Windows tablets will hold 10.3 percent market share, preventing Android from overtaking iOS.
This tablet growth will come at the expense of e-book readers. IDC believes consumers will opt for a multi-function tablet instead of a dedicated e-book reader, despite their better reading experience. It has dropped its e-book reader forecast down to 19.9 million units for 2012, which is lower than the 27.7 million units shipped in 2011.