It would be a bit difficult for him to play in Europe at the age of 40, but when it comes to Cristiano Ronaldo, he is a player who can do anything. He has great motivation and has set a goal to score 1000 goals in his career. According to official records, he will probably be the first football player to do this. Although it was said that Pele scored more than 1000 goals before, I know that official records do not show that many. Cristiano Ronaldo is a great player and a name that has left its mark on the world of football. He will be a name that will not be forgotten for many years.
For his physical appearance, he may not have declined as much as players at his age so it will not have much effect when playing in Europe. But what makes it difficult when looking for a club is because his salary is so high that some clubs are reluctant to recruit him and this is the difficulty that Ronaldo might experience. Chasing 1000 goals is not impossible if he continues to play for the next two or three years and I am sure Ronaldo can achieve it. For the official record it may not reach 1000 goals and I have never found it anywhere for Pele or maybe this is a claim made by him.