By 2018, 27.8% of the worldwide enterprise applications market will be SaaS-based,

1. "By 2018, 27.8% of the worldwide enterprise applications market will be SaaS-based, generating $50.8B in revenue up from $22.6 sxceeding the demand for on-premise applications by five times (during the five-year forecast period through 2018
   
2. SaaS revenue is forecast to grow at 17.6% CAGR,
   
3. The worldwide SaaS enterprise applications market will grow at a compound annual growth rate (CAGR) of 17.6% for the five-year forecast period, reaching $50.8B in 2018
   
4. The worldwide SaaS operations and manufacturmanufacturing applications market will reach $5.8B by 2018, attaining a CAGR of 13.7% in the forecast period.
   
5. IDC forecasts the SaaS Enterprise Resource Planning (ERP) market will reach $23.8B in 2018, attaining a 17.2% CAGR in the forecast period.