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Visualizing Government Debt

General Government Debt

The General government debt-to-GDP ratio is an important gauge that shows how much money the government owes in relation to the overall size of the country’s economy. This ratio helps us understand if the government’s finances are on a stable path.

To calculate this ratio, we add up different types of government debt, including things like money in the bank, loans, bonds, and other financial obligations. Then, we compare this total debt to the total value of the country’s economic output, which is represented by the Gross Domestic Product (GDP).

When the government’s debt-to-GDP ratio increases over time, it usually means that the government has been running budget deficits in the past, spending more money than it collects in revenue. This can raise concerns about the government’s ability to manage its finances sustainably.

I selected just the countries of Europe as a subset of the data since that data is mostly complete, compared to other regions where data is missing.

Instead of showing how the GDP-to-debt ratio changes over time, I chose illustrate a snapshot of theratios in 2021. This approach makes it easier to compare countries to each other for that specific year. Tracking changes over time, as in the sparklines plots, can be valuable to see how individual countries evolve, but a snapshot of the most recent data allows for more straightforward comparisons of countries, similar to the bar chart. Using a map format leverages our familiarity with the shapes and positions of countries, making it easier to compare them visually without relying solely on reading country names on a graph’s x-axis.

I used the ‘inferno’ color scale to represent that a higher GDP-to-debt ratio is typically a concerning sign for a country. It suggests that the government may struggle to effectively manage its finances in a sustainable manner, which is why I used colors to visually emphasize this aspect.

I sourced this data from General government debt, OECD Data, accessed on 09 September 2023.