NPD, a Market research firm, forecasts that the entire tablet market share of Apple will decrease to just 50% by 2017, that’s just above the line, while Windows RT and Android platform tablets will start climbing up and eat iPad’s domination after 2 years.

According to DisplaySearch’s (a subsidiary group of NPD), Tablet Quarterly report on Thursday, they estimated that the entire tablet market reached 81.6 million units in 2011 – which is dominated by Apple’s iPad – and 424.9 million units by 2017.

Also in the report, it denotes that the worldwide shipments of tabs will exceed . . . → Read More: iPad’s Market Share will Drop in 2017