Fiscal Year 2016 federal government operations https://en.wikipedia.org/wiki/... 4 trillion dollars four trillion dollars $3.525 trillion initial estimates for 2016 $3.525 trillion $4,000 billion view article 2016 United States federal budget $3.25 trillion $3.525 trillion The 2016 Federal Budget received about $3.3 trillion in revenue in 2016 2016 United States federal budget $4,000 billion four trillion dollars $4 trillion budget $4 trillion budget received about $3.3 trillion in revenue in 2016 $3.5 trillion $4 trillion budget $3.525 trillion $4,000 billion received about $3.3 trillion in revenue in 2016