The Norwegian striker has taken the Bundesliga and European football by storm since his £18m move from RB Salzburg in January last year.
But with speculation of another big move as early as this summer, his agent has claimed a “maximum” of 10 clubs can afford to buy the 20-year-old, who has three years remaining on his deal at the Westfalenstadion.
“It is obvious that everybody is looking at Erling as one of those potential new future stars because it’s so difficult to do what he does at his age at his level,” Raiola told BBC Sport.
“He will be one of the future stars of the next decade because we see that stars such as Ibrahimovic, Ronaldo and Messi are coming to an age where everyone asks themselves: ‘How long can we still enjoy them?’ So everyone is looking for the new generation.
“Only a maximum of 10 clubs can afford to buy [Haaland] and give the platform you would like after you’ve been in Dortmund… and four of those clubs are in [England].”