20 teams, each plays the others twice - home and away - for a total of 38 games each, over 38 game weeks.
3 points for a win, 1 point for a draw, 0 points for a loss.
1. points won; 2. total goal difference; 3. total goals scored; 4. points in head-to-head matches; 5. goal difference in hth matches; 6. fairplay ranking.
Qualification for UEFA competitions:
1-2 place: UEFA Champions League Group stage
3 place: UEFA Champions League Qualifiers
4 place: UEFA Europa League Group stage
5 place: possible UEFA Europa League Group stage or Qualifiers (depends on Coupe de France and Coupe de la Ligue outcomes)
6 place: possible UEFA Europa League Qualifiers (depends on Coupe de France and Coupe de la Ligue outcomes)
Relegation from the league:
18 place: enters Play-offs 1/2 with one Ligue 2 team for 1 place in Ligue 1
19-20 place: relegated to Ligue 2
Promotion to the league:
2 teams from Ligue 2
1 more team from Ligue 2 possible to promote through Play-offs 1/2