Transfermarkt have listed most valuable player for each age as Mbappe ranks the first who is valued at €200m, Messi and Ronaldo rank first for their ages respectively.

In this list, 32-year old Messi is valued at €140m and 35-year old Ronaldo valued at €75m. 

Full Lists

16 years old: Rayan Cherki (Lyon) - €8m

17 years old: Ansu Fati (Barcelona) - €40m

18 years old: Reinier (Real Madrid) - €25m

19 years old: Jadon Sancho (Dortmund) - €120m

20 years old: Joao Felix (Atletico Madrid) - €100m

21 years old: Kylian Mbappe (PSG) - €200m

22 years old: De Jong (Barcelona) - €90m

23 years old: Dele Alli (Tottenham) - €90m

24 years old: Leroy Sane (Man City) - €100m

25 years old: Raheem Sterling (Man City) - €160m

26 years old: Harry Kane (Tottenham) - €150m

27 years old: Mohamed Salah (Liverpool) - €150m

28 years old: Neymar (PSG) - €160m

29 years old: Eden Hazard (Real Madrid) - €120m

30 years old: Aubameyang (Arsenal) - €70m

31 years old: Robert Lewandowski (Bayern) - €70m

32 years old: Lionel Messi (Barcelona) - €140m

33 years old: Luis Suarez (Barcelona) - €40m

34 years old: David Silva (Man City) - €15m

35 years old: Cristiano Ronaldo (Juventus) - €75m

36 years old: Franck Ribery (Fiorentina) - €4m

37 years old: Fabio Quagliarella (Sampdoria) - €2m

38 years old: Zlatan Ibrahimovic (Milan) - €3.5m

39 years old: Aritz Aduriz (Athletic Bilbao) - €1m

40 years old: Dong-Guk Lee (Jeonbuk Hyundai Motors) - €0.4m