with respect to our business operations , we are standardizing certain core business processes , primarily through our execution of the state street lean methodology , and driving automation of these business processes .we are currently creating a new technology platform , including transferring certain core software applications to a private cloud , and have expanded our use of service providers associated with components of our technology infrastructure and application maintenance and support .we expect the transfer of core software applications to a private cloud to occur primarily in 2013 and 2014 .to implement this program , we expect to incur aggregate pre-tax restructuring charges of approximately $ 400 million to $ 450 million over the four-year period ending december 31 , 2014 .to date , we have recorded aggregate restructuring charges of $ 289 million in our consolidated statement of income , composed of $ 156 million in 2010 and $ 133 million in 2011 .the following table presents the charges by type of cost : ( in millions ) employee-related real estate consolidation information technology costs total .
[['( in millions )', 'employee-related costs', 'real estate consolidation', 'information technology costs', 'total'], ['2010', '$ 105', '$ 51', '', '$ 156'], ['2011', '85', '7', '$ 41', '133'], ['total', '$ 190', '$ 58', '$ 41', '$ 289']]
the employee-related costs included costs related to severance , benefits and outplacement services .real estate consolidation costs resulted from actions taken to reduce our occupancy costs through consolidation of leases and properties .information technology costs included transition fees related to the above-described expansion of our use of service providers .in 2010 , in connection with the program , we initiated the involuntary termination of 1400 employees , or approximately 5% ( 5 % ) of our global workforce , which was substantially complete at the end of 2011 .in addition , in the third quarter of 2011 , in connection with the expansion of our use of service providers associated with our information technology infrastructure and application maintenance and support , we identified 530 employees who will be provided with severance and outplacement services as their roles are eliminated .as of december 31 , 2011 , in connection with the planned aggregate staff reductions of 1930 employees described above , 1332 employees had been involuntarily terminated and left state street , including 782 employees in 2011 .in connection with our continued implementation of the business operations and information technology transformation program , we achieved approximately $ 86 million of annual pre-tax , run-rate expense savings in 2011 compared to 2010 run-rate expenses .excluding the expected aggregate restructuring charges of $ 400 million to $ 450 million described earlier , we expect the program to reduce our pre-tax expenses from operations , on an annualized basis , by approximately $ 575 million to $ 625 million by the end of 2014 compared to 2010 , with the full effect realized in 2015 .assuming all other things equal , we expect to achieve aggregate annual pre-tax expense savings of approximately $ 540 million by the end of 2014 , for a total annual pre-tax expense savings of approximately $ 600 million to be realized in 2015 .we expect the business operations transformation component of the program to result in annual pre-tax expense savings of approximately $ 440 million in 2015 , with the majority of these savings expected to be achieved by the end of 2013 .in addition , we expect the information technology transformation component of the program to result in annual pre-tax expense savings of approximately $ 160 million in 2015 .these annual pre-tax run-rate savings relate only to the business operations and information technology transformation program .our actual operating expenses may increase or decrease as a result of other factors .the majority of the annualized savings will affect compensation and employee benefits expenses ; these savings will be modestly offset by increases in information systems and communications expenses as we implement the program .2011 expense control measures during the fourth quarter of 2011 , in connection with expense control measures designed to calibrate our expenses to our outlook for our capital markets-facing businesses in 2012 , we took two actions .first , we .

Question: what is the approximate total number of workforce before the restructuring program?
Answer: 28000