- Bundesliga
- Eighteen clubs, 34 matchdays. Opens 28 to 30 August 2026 and closes on 22 May 2027, with a winter break after matchday 14 running from 18 December to 8 January.
- La Liga
- Twenty clubs, 38 matchdays. Opens 15 August 2026 and closes 30 May 2027, playing through Christmas and New Year with only a short pause.
- Serie A
- Twenty clubs, 38 matchdays. Opens 23 August 2026 and closes 30 May 2027, a week later than usual, with the autumn international windows compressed into one two-week break and one single week.
- Ligue 1
- Eighteen clubs, 34 matchdays. Opens 21 August 2026 and closes 29 May 2027. The winter break starts after matchday 14 on the weekend of 12 December and the season resumes on the weekend of 2 January.
- Eredivisie
- Eighteen clubs, 34 matchdays, from 7 August 2026 to 23 May 2027. Breaks after 20 December and returns on 8 January, and for the first time the September and October international windows are combined into two consecutive blank weekends.
- Belgian Pro League
- Eighteen clubs and 34 matchdays from 2026/27, a straight round robin with no play-offs and no halved points for the first time since 2009. Runs 7 August 2026 to 23 May 2027.
- Austrian Bundesliga
- Twelve clubs playing 22 rounds, then a split into a championship six and a relegation six for ten more matches each. Thirty-two matchdays in total, and half of them against a field you do not know when the season starts.
- Champions League
- Thirty-six clubs in one table since 2024/25. Each club plays eight matches against eight different opponents, four home and four away. The top eight go straight to the round of 16, ninth to twenty-fourth play a two-legged play-off for the other eight places, and twenty-fifth down is out.
- Winter
- Germany, France and the Netherlands stop for weeks. Spain and Italy barely pause. England does not stop at all. There is no single European mid-season.