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Federal Debt: Total Public Debt as Percent of Gross Domestic Product (GFDEGDQ188S)
Observation:
Q1 2018: 105.65902 (+ more)Updated: Jun 28, 2018
Q1 2018:  105.65902  
Q4 2017:  103.73920  
Q3 2017:  103.81679  
Q2 2017:  103.08854  
Q1 2017:  104.13856 
Units:
Percent of GDP,Seasonally Adjusted
Frequency:
QuarterlyGFDEGDQ188S = ((GFDEBTN/1000)/GDP)*100
GFDEBTN/1000 transforms GFDEBTN from millions of dollars to billions of dollars.
Federal Debt: Total Public Debt as Percent of Gross Domestic Product
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For example, invert an exchange rate by using formula 1/a, where “a” refers to the first FRED data series added to this line. Or calculate the spread between 2 interest rates, a and b, by using the formula a  b.
Use the assigned data series variables (a, b, c, etc.) together with operators (+, , *, /, ^, etc.), parentheses {(,)}, and constants (1, 1.5, 2, etc.) to create your own formula (e.g., 1/a, ab, (a+b)/2, (a/(a+b+c))*100). As noted above, you may add other data series to this line before entering a formula.
Finally, you can change the units of your new series.
GFDEGDQ188S = ((GFDEBTN/1000)/GDP)*100
GFDEBTN/1000 transforms GFDEBTN from millions of dollars to billions of dollars.
Federal Debt: Total Public Debt as Percent of Gross Domestic Product
Customize data:
Write a custom formula to transform one or more series or combine two or more series.
You can begin by adding a series to combine with your existing series.
Now create a custom formula to combine or transform the series.
Need help? []
For example, invert an exchange rate by using formula 1/a, where “a” refers to the first FRED data series added to this line. Or calculate the spread between 2 interest rates, a and b, by using the formula a  b.
Use the assigned data series variables (a, b, c, etc.) together with operators (+, , *, /, ^, etc.), parentheses {(,)}, and constants (1, 1.5, 2, etc.) to create your own formula (e.g., 1/a, ab, (a+b)/2, (a/(a+b+c))*100). As noted above, you may add other data series to this line before entering a formula.
Finally, you can change the units of your new series.
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Title  Release Dates  


Federal Debt: Total Public Debt as Percent of Gross Domestic Product  20121026  20180628 
Source  


Federal Reserve Bank of St. Louis  20121026  20180628 
U.S. Office of Management and Budget  20130320  20180628 
Release  


Debt to Gross Domestic Product Ratios  20121026  20180628 
Units  


Percent of GDP  20121026  20180628 
Frequency  


Quarterly  20121026  20180628 
Seasonal Adjustment  


Seasonally Adjusted  20121026  20180628 
Notes  


Federal Debt: Total Public Debt as Percent of Gross Domestic Product (GFDEGDQ188S) was first constructed by the Federal Reserve Bank of St. Louis in October 2012. It is calculated using Federal Government Debt: Total Public Debt (GFDEBTN) and Gross Domestic Product, 1 Decimal (GDP): GFDEGDQ188S = ((GFDEBTN/1000)/GDP)*100 GFDEBTN/1000 transforms GFDEBTN from millions of dollars to billions of dollars. 
20121026  20180628 
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