KEY TAKEAWAYS
Belgium and Iceland are among the countries that have already had the four-day working week in practice, and it was quite welcomed by workers.
Some countries like France, Denmark and the Netherlands might not legally have four-day workweeks but have some of the shortest working weeks.
Germany, Spain and Portugal are on a trial and are likely to introduce 4-day workweeks.

 

 Reference Link :  https://www.schengenvisainfo.com/news/these-are-the-best-eu-countries-to-move-to-if-you-want-a-4-day-working-week-in-2024/