---
title: "Discussion on \"I put 36 years of World Cup squads into one CSV, and the Bosman effect is impossible to miss\" | Hashnode"
description: "Discussion on \"I put 36 years of World Cup squads into one CSV, and the Bosman effect is impossible to miss\". An open CSV showing how the share of foreign-based players in World Cup squads rose from 26% in 1990 to 72% in 2026, the Bosman effect."
url: "https://hashnode.com/posts/world-cup-players-abroad/6a3bdf46d1197234f9033c43"
---

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Discussion

# [I put 36 years of World Cup squads into one CSV, and the Bosman effect is impossible to miss](https://databehindheadlines.hashnode.dev/world-cup-players-abroad?utm_source=hashnode&utm_medium=feed)

An open CSV showing how the share of foreign-based players in World Cup squads rose from 26% in 1990 to 72% in 2026, the Bosman effect.

Jun 24 · 2 min read · databehindheadlines.hashnode.dev  
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-   [#databases](https://hashnode.com/tag/databases)
-   [#open-data](https://hashnode.com/tag/open-data)
-   [#python](https://hashnode.com/tag/python)
-   [#football](https://hashnode.com/tag/football)

## Written by

[Maria Fernandez](https://hashnode.com/@maria-fernandez)

@maria-fernandez · Berlin, Germany

  
[View profile](https://hashnode.com/@maria-fernandez)

I turn messy public data into clean, open datasets and surprising charts.

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