Source: Football Title Wiki Pages (Premier League, Bundesliga, etc.)

Tools used: python, Plotly for generating treemap

If you had the exact count of titles next to the club, it will give a better understanding of the size and distribution. Is there any particular reason why the data starts from 1963?

At least for r he bundesliga there seems to be some error in the data.

As I see it the plot only shows clubs having earned the right to wear championship stars on their respective kit (=won at least 3 championships)

Edit: ok nvm neither Köln nor Kaiserslautern qualify for the star so I guess the data is just cutoff based on won titles

Absolutely mental that Derby County are on there

Can you explain exactly what you're representing here?

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That's a good point and something I considered but took out because I thought that the size of each rectangle conveyed it well enough. Thanks for the feedback!

As for the date that is when the Bundesliga officially started and seemed to give enough time to show which teams showed patterns of dominance.

The treemap displays which teams in each European league have the most league titles since 1963 where the number of trophies correlates to the size of their rectangle

Okay cool. The cutoff makes sense then.

On what basis is the French League one of the top five in Europe?

The distinct lack of Tottenham is delightful

Based on their uefa association coefficient, and who else would you put in instead of France?

Why 1963 and not conception?

What country should replace it then? Portugal? The Netherlands? Belgium?

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I think France is sitting good at the 5th spot.

I'd say the dutch. They've won the European Cup six times and won it more recently than a French side

Premier League is missing Blackburn Rovers and Leicester City, off the top of my head...