All IT spending data on this chart derived from publicly available Exhibit 53s from each agency. Total discretionary budget authority figures derived from the President's 2011 Budget's Historical Tables section as published on the Government Printing Office website. You may access that data here. Many of the below definitions are derived from OMB Circular A-11 Section 53.
Total IT Spending:
This is an agency's total spending on information technology investments.
% Change in IT Spending:
This is the % change in spending from the previous fiscal year to the indicated fiscal year.
Mission Area Spending:
Spending reported as IT investments directly supporting an agency-designated mission area or National Security System. (Corresponds to the sum of investments identified as Part 1 or Part 6 in an Exhibit 53 for 2001-2008. For 2009-2011, this is the sum of Part 1 and Part 5.)
Infrastructure Spending:
Spending reported as IT investments supporting infrastructure, strategic management of IT operations, or a grants management system. This corresponds to the sum of investments identified as "Part 2," "Part 3," or "Part 4" in an Exhibit 53.
New/Upgrades Spending for Mission Area
Program costs for new investments, changes or modifications to existing systems reported as Mission Area Spending above; described as Development/Modernization/Enhancement (DME) on Exhibit 53s.
New/Upgrades Spending for Infrastructure:
Program costs for new investments, changes or modifications to existing systems identified as Infrastructure Spending above; described as Development/Modernization/Enhancement (DME) on Exhibit 53s.
Maintenance Spending for Mission Area:
Spending covering maintenance and operation costs at current performance level for systems reported as Mission Area Spending above; described as Steady State (SS) on Exhibit 53s.
Maintenance Spending for Infrastructure:
Spending covering maintenance and operation costs at current performance level for systems reported as Mission Area Spending above; described as Steady State (SS) on Exhibit 53s.
% of Mission Spending Reported As Upgrades:
Proportion of total IT spending in Mission Area Spending covered by program costs for new investments.
% of Infrastructure Spending Reported As Upgrades:
Proportion of total IT spending in Infrastructure covered by program costs for new investments.
% of Mission Spending Reported As Maintenance:
Proportion of total IT spending in Mission Area Spending covered by program costs for maintenance or operation costs.
% of Infrastructure Spending Reported As Maintenance:
Proportion of total IT spending in Mission Area Spending covered by program costs for maintenance or operation costs.
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