Have a look at this thread for a discussion of this year's numbers:
http://www.ronpaulforums.com/showthread.php?t=76545
First, the Revenue: $2.5671 trillion
* $1,163 billion - Individual income tax
* $869.6 billion - Social Security and other payroll taxes
* $370.2 billion - Corporate income tax
* $65.1 billion - Excise taxes
* $26.0 billion - Customs duties
* $26.0 billion - Estate and gift taxes
* $47.2 billion - Other
Expenditures: $2.8874 trillion total
* $586.1 billion (+7.0%) - Social Security
* $548.8 billion (+9.0%) - Defense[2]
* $394.5 billion (+12.4%) - Medicare
* $367.0 billion (+2.0%) - Unemployment and welfare
* $276.4 billion (+2.9%) - Medicaid and other health related
* $243.7 billion (+13.4%) - Interest on debt
* $89.9 billion (+1.3%) - Education and training
* $76.9 billion (+8.1%) - Transportation
* $72.6 billion (+5.8%) - Veterans' benefits
* $43.5 billion (+9.2%) - Administration of justice
* $33.1 billion (+5.7%) - Natural resources and environment
* $32.5 billion (+15.4%) - Foreign affairs
* $27.0 billion (+3.7%) - Agriculture
* $26.8 billion (+28.7%) - Community and regional development
* $25.0 billion (+4.0%) - Science and technology
* $23.5 billion (+0.0%) - Energy
* $20.1 billion (+11.4%) - General government