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 2010 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 and technology investments.
% Change in IT Spending:
This is the % change in spending from the previous fiscal year to the indicated fiscal year.
Total Budget:
Agency's total discretionary budget authority, as indicated in Table 5.3 of the Historical Tables for the Budget of the United States Government FY 2010. Find that document
here. Figures for the total discretionary budget authority (actuals) of Smithsonian Institution and Nuclear Regulatory Commission are drawn from the "Other Independent Agencies" section of the Appendix of each year's President's Budget for FY2001-FY2006. Additional sources were necessary to separate DOD into its component services:
FY2008-FY2010:
DOD FY 2010 Budget Request Summary Justification
FY2007:
DOD FY 2009 Budget Request Summary Justification
FY2001-FY2006:
National Defense Budget Estimates for the FY 2008 Budget (Green Book)
IT as % of Total Budget:The percentage of an agency's total discretionary budget covered by its information technology spending. Note that this set does not include figures from the General Services Administration, the values of which would vary from 8% to over 750% from year to 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.)
Infrastructure Spending:
Spending reported as IT investments supporting infrastructure, strategic management of IT operations, or a grants management system. (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" or "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" or "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" 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" 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.
More Details about Data Definitions
