Europe's Premier Club Competition

The UEFA Champions League is the most prestigious club soccer competition in the world. Each season, it brings together the top clubs from across Europe's domestic leagues in a battle for the continent's ultimate prize. For the 2024/25 season, the competition introduced a significantly revamped format that changed how clubs qualify and progress.

How Teams Qualify

Entry to the Champions League is determined by domestic league performance. The number of spots allocated to each country depends on UEFA's country coefficient ranking, which is calculated based on European results over a five-year period. Countries with higher coefficients receive more automatic berths, while lower-ranked nations must navigate qualifying rounds to reach the main competition.

Generally, teams qualify by:

  • Finishing in the top positions of their domestic league (exact number varies by country).
  • Winning their national cup competition (in some countries, this also provides a route in).
  • Passing through preliminary rounds and play-offs for lower-coefficient nations.

The New League Phase (Replacing the Group Stage)

The traditional group stage, which had been used for decades, was replaced from 2024/25 with a league phase. Key details:

  • 36 teams participate in the league phase (up from 32).
  • Each team plays 8 matches against eight different opponents (4 at home, 4 away), rather than playing the same group opponents twice.
  • All 36 teams are ranked in a single table based on points, goal difference, and goals scored.

League Phase Outcomes

PositionOutcome
1st – 8thAdvance directly to the Round of 16
9th – 24thEnter knockout play-off round
25th – 36thEliminated (no Europa League transfer for top-finishing clubs)

The Knockout Rounds

From the Round of 16 onwards, the competition follows a traditional home-and-away knockout format:

  1. Knockout Play-offs (9th–24th): Eight two-legged ties to determine the final eight spots in the Round of 16.
  2. Round of 16: 16 clubs compete over two legs (home and away), with the aggregate score determining who advances.
  3. Quarter-finals: Two-legged ties, same format.
  4. Semi-finals: Two-legged ties.
  5. Final: A single match at a neutral venue pre-determined by UEFA, typically held in late May.

Key Rules to Know

  • Away goals rule: This rule was abolished in 2021. If the aggregate score is level after both legs, matches go to extra time and then penalties.
  • Squad registration: Clubs must submit a registered squad list, limiting how many non-homegrown players can be included.
  • Financial Fair Play (FFP) / Financial Sustainability Regulations: UEFA monitors club finances, and non-compliance can result in exclusion or squad restrictions.

Prize Money and Commercial Value

The Champions League generates enormous commercial revenue shared among participating clubs. Revenue is distributed based on a combination of fixed payments for participation, performance payments (based on results), and market pool distributions tied to broadcast deals in each club's home country. Reaching the later rounds significantly increases a club's earnings, making Champions League qualification a major financial priority for top European clubs.

Why the Format Change Matters

The shift to the league phase was designed to reduce the number of meaningless matches in the old group stage, where some groups were decided early. With 8 unique opponents per team in the new format, there is far more variety and competitive importance throughout the phase — and more matches overall, which also increases commercial value for UEFA and participating clubs.