IT market is forecast to grow 2.8 per cent in dollar terms and 5.1 per cent in constant currency from 2012, Gartner said in a statement.
Compared with Gartner's previous forecast, nearly all ITO segments are now forecast to grow more slowly during 2013, it added.
"We continue to see overall market growth being constrained by near-term market factors, such as evolving ITO delivery models, economic, political and labor conditions, and service provider financial performance," Gartner Research Vice President Bryan Britz said.
Mature Asia-Pacific and Western Europe are the regions where the outlook is most tempered, partly due to currency but also reflective of our view that 2013 is likely to be similar to 2012 in these regions, he added.
"Planned new adoption of ITO remains positive in all service line segments.
"However, constrained IT budgets, an evolving ITO delivery model, economic conditions and cost-focused
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