Self-tutoring: old-time economics students like to track certain relationships. The tutor mentions the US deficit vs GDP.
For 2018, the US deficit is estimated at $804B, while its GDP is around 19.4T.
In percent, the deficit to GDP is 804 000 000 000/19 400 000 000 000 or 4.1%.
Back in April, the Congressional Budget Office offered 4.2% to estimate the 2018 deficit/gdp.
Source:Oracle Tutoring by Jack and Diane, Campbell River, BC.