BBC Sport outlines the promotion and relegation issues - and the race for European qualification - in England and Scotland for 2024-25.
Newcastle were the first English team to book their place in Europe for 2025-26
The top four teams are guaranteed qualification for the league phase of the Champions League - and possibly a fifth team if England maintains its position as one of the two associations with the highest Uefa coefficients for 2024-25.
There are also places in the league phase reserved for the winners of this season's Champions League and Europa League, regardless of their domestic league positions.
The fifth-placed Premier League team will qualify for the league phase of the Europa League, along with the FA Cup winners. If the FA Cup winners have already qualified for the Champions League, that Europa place reverts to the league.
Newcastle United's victory in the Carabao Cup final means that at worst they will qualify for the Conference League play-off round. But if they qualify for Europe by their league position, that Conference League spot will revert to the league.
If Chelsea win the Conference League but fail to reach the Champions League, they will qualify for the league phase of the Europa League.
The bottom three teams will be relegated to the Championship. Southampton became the earliest team to be relegated (in terms of games) in Premier League history when they lost 3-1 at Tottenham on 6 April.
The WSL champions will enter the league phase of the Champions League, with the runners-up entering at the second round and the third-placed side in the first round.
Leaders Chelsea are already assured of their Champions League place, with Arsenal and Manchester United close to joining them.
The bottom side will be relegated to the Women's Championship.
The top two teams will be automatically promoted to the Premier League, with the next four entering a play-off. Burnley, Sheffield United and Leeds are assured of at least a play-off place.
The bottom three teams will be relegated to League One.
The top two teams will be automatically promoted to the Championship, with the next four entering a play-off.
Leaders Birmingham are assured of at least a play-off place, and could clinch promotion on Tuesday if they beat Peterborough or if Wycombe fail to win.
The bottom four teams will be relegated to League Two. Relegation could be confirmed for Shrewsbury as early as next weekend.
The top three teams will be automatically promoted to League One, with the next four entering a play-off.
The bottom two teams will be relegated to the National League.
The champions will be automatically promoted to League Two, with the next six teams entering a play-off.
Barnet and York are assured of at least a play-off place.
The bottom four teams will be relegated to National League North or South, and will be replaced with the champions and play-off winners of those two divisions.
Ebbsfleet United became the first team in England's top five tiers to be relegated after drawing 3-3 with Aldershot on 22 March.
The Scottish Premiership splits in half after 33 games - with the title between Celtic and Rangers
The Premiership splits in half after 33 games, on the weekend of 12-13 April - with each club playing the others in their 'half' for a fourth and final time.
Celtic, Rangers, Hibernian, Aberdeen and Dundee United will all be in the top half, with St Johnstone, Dundee, Kilmarnock and Ross County guaranteed to be in the bottom half.
The champions - Celtic or Rangers - will enter the Champions League play-off round, with the runners-up entering in the second qualifying round. Celtic require a maximum of six points from their last six games to clinch the title.
The Scottish Cup winners will enter the Europa League at the play-off round. If the cup winners finish in the top two, that Europa place reverts to the league.
The third-placed Premiership team will enter the Europa League at the second qualifying round, with the fourth-placed team entering the Conference League at the second qualifying round.
The Premiership's bottom club will be relegated to the Scottish Championship, while the 11th-placed team will enter a play-off with three Championship sides.
The champions will be promoted to the Scottish Premiership.
The next three teams will enter a play-off with the 11th-placed Premiership team.
Falkirk, Livingston and Ayr are assured of at least a play-off place. If Falkirk beat Ayr on Friday, they will clinch the title if Livingston fail to win on Saturday.
The bottom club will be relegated to Scottish League One, while the ninth-placed team will enter a play-off with three League One sides.
The champions will be automatically promoted to the Scottish Championship, with the next three teams entering a play-off with the ninth-placed Championship side.
Leaders Arbroath are assured of at least a play-off place, and can clinch the title on Saturday if they beat Stenhousemuir, or if Cove fail to win.
Bottom club Dumbarton are relegated to Scottish League Two. They became the first SPFL team to be relegated after drawing 0-0 with Queen of the South on 22 March.
The ninth-placed team will enter a play-off with three League Two teams.
The champions will be automatically promoted to Scottish League One, with the next three teams entering a play-off with the ninth-placed League One side.
Leaders Peterhead are assured of at least a play-off place.
The bottom side will enter a play-off against the winners of a play-off between the Highland League champions (Brora Rangers or Brechin City) and Lowland League winners East Kilbride. The overall winners will take the final place in League Two for 2025-26.