The J1 League

The J1 League is contested by 20 clubs in a standard league season. Every club plays the other 19 twice — once at home, once away — for 38 matches in total. Three points are awarded for a win, one for a draw, and none for a defeat. The club with the most points at the end of the season is the Japanese champion. In normal full seasons, the bottom three clubs are relegated to the J2 League and replaced by three promoted clubs from the second tier.

The league has been held continuously since 1993, when it was launched as the J.League — Japan's first fully professional football competition. It became a two-division league in 1999 under the name J.League Division 1, and was rebranded as the J1 League in 2015. The competition is run by the Japan Professional Football League and is currently known as the Meiji Yasuda J1 League for sponsorship reasons. It is one of Asia's strongest domestic leagues, supported by regular Japanese success in AFC club competitions and by the wider growth of professional football in Japan.

From the 2026/27 season onwards, the J1 League is moving to an autumn-spring calendar, with seasons running across two calendar years from late summer to late spring. The 2026/27 season is scheduled to begin in early August 2026, include a winter break from around mid-December to late February, and finish in late May 2027. The previous format ran across a single calendar year from late winter or early spring to early winter — the same broad pattern still used in leagues such as the K League 1 and the Brasileirão. The 2025 season was the final regular calendar-year edition, with Kashima Antlers winning the league on the final matchday.

To bridge the change, the J.League created the 2026 J1 100 Year Vision League, a short special competition running from February to June 2026. J1 clubs were divided into East and West regional groups, followed by ranking play-offs between clubs that finished in the same position in each group. Its champion qualifies for the 2026/27 AFC Champions League Elite, but it is not the normal J1 League format and no clubs are relegated based on the results of the special competition.

The three J1 League clubs finishing in the bottom three positions at the end of a normal full season are automatically relegated to the J2 League. The clubs that replace them come up from the J2 League, with the top two finishers promoted automatically and the third promotion place decided through a play-off involving the J2 clubs finishing from third to sixth.

J2 and J3 are also 20-club leagues, giving the professional J.League system 60 clubs across its three national divisions. The J3 League was launched in 2014 as part of the Japan Professional Football League's wider expansion. Only two J1 League founding clubs — Kashima Antlers and Yokohama F. Marinos — have been ever-present in the top flight since 1993.

J1 League performance is the main route into Asian club competition, but the exact qualification places can change depending on the AFC access list and Japan Football Association rules. In ordinary seasons, the highest J1 finishers and leading domestic cup winners usually take Japan's places in the AFC Champions League Elite and AFC Champions League Two.

The 2026/27 allocation is unusual because of the calendar transition. Japan's direct AFC Champions League Elite places are assigned to the 2025 J1 League champion, the 2026 J1 100 Year Vision League champion, and the 2025 J1 League runner-up. Additional indirect ACL Elite places go to the 2025 J1 third-placed club and the J1 100 Year Vision League runner-up, while the Emperor's Cup winner qualifies for AFC Champions League Two.

Japanese clubs have been among the most successful in Asian football across the modern era. The AFC Champions League has been won by Urawa Red Diamonds in 2007, 2017, and 2022, Gamba Osaka in 2008, and Kashima Antlers in 2018. The 2016 FIFA Club World Cup final featured Kashima Antlers against Real Madrid, with Kashima leading 2-1 before Cristiano Ronaldo's penalty and extra-time goals delivered a 4-2 European Cup-holder win.

Japanese football's pre-professional history was the Japan Soccer League (JSL), which ran from 1965 to 1992 with corporate-backed teams. The JSL declined in the 1980s as attendances dropped and the national team failed to qualify for the FIFA World Cup. The Japan Football Association approved the launch of a fully professional league in 1992, with the J.League's inaugural season following in 1993. The first match — between Verdy Kawasaki and Yokohama Marinos at the National Olympic Stadium in Tokyo — drew major media attention and set the tone for the league's commercial success.

The J.League launched with 10 clubs and grew quickly across the 1990s and 2000s. The two-division structure was introduced in 1999, with promotion and relegation linking J1 and J2 from the start. The J3 League was added at the third tier in 2014. The J1 League has been a major force in the development of Japanese football, with the national team qualifying for every FIFA World Cup since 1998 and Japanese players moving regularly to European clubs across the modern era. Kashima Antlers's 2025 league title was their record-extending ninth.