Tablet sales expected to reach 248.6 million units by 2015, smartphones sales to hit 1 billion

. Global tablet sales reached 67 million units in 2011 and are expected to grow 38.8% annually to 248.6 million by the end of 2015, according to a new market report from Transparency Market Research. Led by Apple's iPad, tablet sales increased 275.5% in 2011 from 17.8 million units sold in 2010. Smartphone sales in 2011 hit 468.9 million units, a 66.7% increase over 2010 sales of 282 million units, and sales are expected to reach 1.05 billion in 2015 with Asia accounting for 39.5% of the market. Smartphone sales in the fourth quarter of 2011 beat the combined sales from the full year of 2008, the report notes.

Boy Genius Report, Tablet sales expected to reach 248.6 million units by 2015, smartphones sales to hit 1 billion