Manchester United have spent heavily in the past decade.

And it was more of the same in the summer transfer window.

Antony, Casemiro, Martin Dubravka, Christian Eriksen, Tyrell Malacia and Lisandro Martinez all arrived at the club in the past few months, costing a total of €216m.

But do United now have the costliest squad in world football?

CIES Football Observatory have looked at the 25 most expensive squads in the world based on transfer fees.

View how much clubs have spent to assemble their current squads below... (figures include add-ons)

25. RB Leipzig - €277m

24. Bayer 04 Leverkusen - €280m

23. Southampton FC - €281m

22. Internazionale Milano FC - €286m

21. AS Monaco - €332m

20. Wolverhampton Wanderers FC - €366m

19. SSC Napoli - €387m

18. BV 09 Borussia Dortmund - €388m

Jude Bellingham in action for Dortmund
DORTMUND, GERMANY - SEPTEMBER 02: Jude Bellingham of Borussia Dortmund acknowledges their fans after the Bundesliga match between Borussia Dortmund and TSG Hoffenheim at Signal Iduna Park on September 02, 2022 in Dortmund, Germany. (Photo by Alex Grimm/Getty Images)

DORTMUND, GERMANY - SEPTEMBER 02: Jude Bellingham of Borussia Dortmund acknowledges their fans after the Bundesliga match between Borussia Dortmund and TSG Hoffenheim at Signal Iduna Park on September 02, 2022 in Dortmund, Germany. (Photo by Alex Grimm/Getty Images)

17. Everton FC - €388m

16. Leicester City FC - €392m

15. Aston Villa FC - €397m

14. West Ham United FC - €423m

13. Juventus FC - €473m

12. Newcastle United FC - €481m

11. FC Bayern München - €499m

Sadio Mane in action for Bayern Munich
COLOGNE, GERMANY - AUGUST 31: Sadio Mane of Bayern Munich celebrates with teammates after scoring their team's third goal during the DFB Cup first round match between FC Viktoria Köln and FC Bayern München at RheinEnergieStadion on August 31, 2022 in Cologne, Germany. (Photo by Lukas Schulze/Getty Images)

COLOGNE, GERMANY - AUGUST 31: Sadio Mane of Bayern Munich celebrates with teammates after scoring their team's third goal during the DFB Cup first round match between FC Viktoria Köln and FC Bayern München at RheinEnergieStadion on August 31, 2022 in Cologne, Germany. (Photo by Lukas Schulze/Getty Images)

10. Club Atlético de Madrid - €502m

9. Tottenham Hotspur FC - €519m

8. Arsenal FC - €534m

7. FC Barcelona - €626m

6. Real Madrid CF - €721m

5. Liverpool FC - €777m

Liverpool's squad
LEICESTER, ENGLAND - JULY 30: the Liverpool team poses for a photograph prior to kick off of The FA Community Shield between Manchester City and Liverpool FC at The King Power Stadium on July 30, 2022 in Leicester, England. (Photo by Mike Hewitt/Getty Images)

LEICESTER, ENGLAND - JULY 30: the Liverpool team poses for a photograph prior to kick off of The FA Community Shield between Manchester City and Liverpool FC at The King Power Stadium on July 30, 2022 in Leicester, England. (Photo by Mike Hewitt/Getty Images)

4. Paris St-Germain FC - €847m

3. Chelsea FC - €881m

2. Manchester United FC - €1,001m

1. Manchester City FC - €1,064m

Man City take top spot, ahead of their fierce rivals, Man United.

The two Manchester giants have both spent over €1 billion on their current squads.

Chelsea take third after their mega summer spending spree, which saw them break the record for the most money spent in a single transfer window.

PSG find themselves in fourth, with Liverpool rounding out the top five.

Bayern Munich don't even make the top 10 - having spent €499m on their current squad - while Inter Milan are in 22nd.

Where did these 40 players make their professional debut?