What is the most supported club in turkey?

The most supported football club in Turkey is Galatasaray S.K., one of the "Big Three" in Turkey. According to a number of surveys conducted over the years, Galatasaray has consistently had the largest fanbase in the country. Some surveys have shown Galatasaray to have around 40-45% of the overall support in Turkey, followed by Fenerbahçe S.K. at around 30-35% and Beşiktaş J.K. at around 20-25%. These percentages can vary slightly depending on the specific survey and methodology used. However, Galatasaray generally maintains the position as the most supported club in Turkey.