The Japan Professional Football League, commonly known as J.League, is the top professional football league in Japan. Established in 1993, it features a tiered structure with multiple divisions, including the J1 League, J2 League, and J3 League. The league has grown significantly in popularity and quality, attracting both local and international talent. The J.League operates on a promotion and relegation system, allowing teams to move between divisions based on their performance each season. It has also contributed to the development of football in Japan, fostering youth programs and enhancing the national team's competitiveness on the global stage.