It’s called pin the debt to GDP ratio to the country.
I am going to list debt to GDP ratios of the G7 countries. First one to identify the ratio with the country wins a ForexLive tee-shirt.
Country 1. 34%
Country 2. 58.9%
Country 3. 78.8%
Country 4. 83.5%
Country 5. 76.5%
Country 6. 118.1%
Country 7. 225.8%
