AFCON Expansion Tournaments and New Champions

The Africa Cup of Nations has undergone a structural transformation over the past decade that few continental tournaments can match. When the Confederation of African Football (CAF) announced the expansion of AFCON from 16 to 24 teams ahead of the 2019 edition in Egypt, the decision was met with predictable skepticism. Critics argued that diluting the field would produce lopsided group stages and diminish competitive intensity. What unfolded instead was a period of unprecedented parity, producing multiple champions across recent tournaments and dismantling the notion that African football belongs to a select few. The expansion has not merely increased participation—it has reshaped the tactical and psychological landscape of the continent's premier competition.

The Structural Case for Expansion

CAF's decision to expand the AFCON format was rooted in both political and developmental logic. With 54 member associations, restricting the final tournament to 16 teams meant that nearly two-thirds of the continent's national teams had no realistic pathway to the main event. The expansion to 24 teams, similar to the UEFA European Championship model adopted in 2016, created additional qualifying slots for emerging football nations while preserving the competitive balance that makes knockout football compelling.

The format allocates 24 teams into six groups of four, with the top two from each group advancing alongside the four best third-placed finishers. This structure, familiar to followers of the FIFA World Cup and the European Championship, ensures that no team is eliminated after a single poor performance. For nations with limited tournament experience, the expanded group stage offers invaluable exposure to high-pressure environments—a factor that has directly contributed to the emergence of new champions.

From a scheduling perspective, the tournament expanded from 32 matches in the 16-team format to 52 matches in the 24-team configuration. This increase in total matches has generated additional revenue through broadcast rights and sponsorship, while providing more competitive opportunities for players operating in leagues across Europe, North Africa, and the emerging domestic competitions in sub-Saharan Africa.

Algeria 2019: The Tactical Blueprint

The 2019 AFCON in Egypt marked the first edition under the expanded format, and Algeria provided a masterclass in tournament management. Under Djamel Belmadi, the Desert Foxes employed a disciplined 4-3-3 formation that prioritized defensive solidity without sacrificing attacking transitions. Riyad Mahrez operated as the creative fulcrum from the right flank, while the midfield trio of Adlène Guedioura, Ismaël Bennacer, and Sofiane Feghouli provided both defensive cover and progressive passing.

Algeria's campaign was defined not by explosive attacking displays but by tactical control. They conceded few goals across seven matches, keeping clean sheets in the knockout rounds against Guinea, Ivory Coast, and Nigeria in the semifinal. The final against Senegal was a study in defensive organization: Algeria absorbed pressure, exploited set-piece opportunities, and secured a 1-0 victory through Baghdad Bounedjah's early strike that deflected off Senegal's Salif Sané.

What made Algeria's triumph significant for the expansion narrative was the depth of the squad. Belmadi rotated effectively throughout the group stage, using the additional matches to integrate players who might have been omitted from a 16-team squad. The expanded tournament allowed Algeria to manage fitness loads across a condensed schedule—a tactical advantage that smaller squads could not replicate.

Senegal 2021: Breaking the Psychological Barrier

Senegal's victory at the 2021 AFCON in Cameroon represented the culmination of a generation's worth of near-misses. The Teranga Lions had reached the final in 2002 and 2019, losing both times, and carried a reputation for underperforming in continental competitions despite possessing some of Africa's most accomplished players. Under Aliou Cissé, Senegal deployed a pragmatic 4-3-3 system that maximized their defensive strength while relying on individual brilliance in attack.

The tournament structure worked in Senegal's favor in subtle but significant ways. The expanded format meant that Senegal, as one of the higher-ranked teams, faced theoretically weaker opposition in the group stage, allowing them to build momentum gradually. They topped their group with strong performances, conceding only once against Zimbabwe, Guinea, and Malawi. The knockout rounds tested their resilience: a quarterfinal penalty shootout victory over Equatorial Guinea and a semifinal win against Burkina Faso set up a rematch with Egypt in the final.

The final itself was a tactical chess match that ended goalless after 120 minutes, with Senegal prevailing on penalties. Sadio Mané converted the decisive spot kick, exorcising the ghosts of the 2019 final defeat. The victory demonstrated that the expanded format did not merely benefit smaller nations—it also provided established powers with a more forgiving pathway to manage squad rotation and psychological preparation.

The Tactical Evolution Under the New Format

The expansion has accelerated tactical experimentation across African football. Managers now approach the group stage with a different calculus: securing qualification is the primary objective, but the additional third-placed qualification slots allow for riskier squad selections and tactical adjustments that would have been prohibitively dangerous under the 16-team format.

The 4-2-3-1 formation has become increasingly prevalent among teams transitioning from defensive to attacking phases. Nations like Morocco and Tunisia have used this system to control midfield numbers while providing width through overlapping full-backs. The 3-5-2 formation has also seen a resurgence, particularly among teams with strong center-back depth and athletic wing-backs. Cameroon under Rigobert Song employed a 3-5-2 during the 2021 tournament, using the extra defensive cover to absorb pressure against technically superior opponents before releasing quick transitions through Karl Toko Ekambi and Vincent Aboubakar.

Metrics from the expanded tournaments reveal a notable trend: the gap in shot quality between established powers and emerging nations has narrowed. In the 16-team era, the top five teams by historical performance generated significantly higher expected goals per match compared to the bottom five. Post-expansion, that differential has compressed, suggesting that the additional competitive exposure is accelerating the tactical development of smaller football nations.

Ivory Coast 2023: The Home Champion Emerges

The 2023 AFCON in Ivory Coast produced perhaps the most compelling narrative of the expansion era. The Elephants entered the tournament as hosts but faced significant challenges: a managerial change during the group stage, inconsistent performances, and the pressure of playing on home soil for the first time since 1984. Under interim coach Emerse Faé, Ivory Coast adopted a 4-3-3 formation that prioritized defensive structure while allowing creative players like Franck Kessié and Seko Fofana to influence matches in the final third.

Ivory Coast's path to the final was anything but straightforward. They finished third in their group after a 4-0 defeat to Equatorial Guinea, advancing only as one of the best third-placed teams. This scenario—a host nation progressing despite a heavy group-stage loss—was virtually impossible under the 16-team format, where finishing third meant automatic elimination. The expanded tournament gave Ivory Coast a second chance, and they seized it with remarkable efficiency.

The knockout rounds showcased Ivory Coast's tactical adaptability. Against Senegal in the round of 16, they absorbed pressure and won on penalties. Against Mali in the quarterfinal, they played with ten men for an extended period after Odilon Kossounou's red card yet still prevailed after extra time. The semifinal against DR Congo was controlled and professional, setting up a final against Nigeria that ended in Ivory Coast's favor. A late winning goal completed a redemption arc that the expanded tournament structure made possible.

Comparative Analysis of Champions in the Expansion Era

The table illustrates a common thread: all three champions employed variations of the 4-3-3 formation, but their tactical emphases differed significantly. Algeria prioritized defensive solidity, Senegal relied on psychological resilience, and Ivory Coast demonstrated adaptability under adverse conditions. The expanded format did not homogenize playing styles; rather, it provided a larger canvas for distinct tactical philosophies to succeed.

The Emergence of New Contenders

Beyond the champions themselves, the expansion has elevated the competitive standing of several nations that previously struggled to advance beyond the group stage. The Gambia reached the quarterfinals in 2021 in their tournament debut, employing a disciplined 4-2-3-1 system that frustrated more established opponents. Comoros, another debutant in 2021, advanced to the round of 16 despite fielding a squad drawn primarily from lower-tier European leagues and French amateur football.

Cape Verde has become a consistent quarterfinal contender, using the expanded tournament to develop a distinctive tactical identity based on technical possession and structured pressing. Their pressing metrics have consistently ranked among the tournament's most aggressive, indicating a willingness to press high up the pitch despite lacking the individual quality of traditional powerhouses.

The expansion has also affected the transfer market dynamics of African football. Players from nations that qualify for the expanded tournament gain exposure to international scouts and agents, potentially increasing their market valuation and contract leverage. For domestic leagues in Africa, the expanded tournament provides a showcase for locally based players who might otherwise remain undervalued in the global market.

Risks and Considerations

The expansion is not without its critics. The quality gap between the top seeds and the lowest-ranked qualifiers remains significant, occasionally producing group-stage matches with minimal competitive tension. The additional matches also increase the physical burden on players, many of whom compete in demanding European domestic schedules. CAF has attempted to mitigate this by adjusting the tournament calendar, but the condensed schedule of a 24-team tournament in a single host nation inevitably raises fatigue and injury concerns.

From a tactical analysis perspective, the expanded format has reduced the frequency of high-stakes group-stage matches. In the 16-team era, every group match carried existential weight because finishing third meant elimination. Under the current format, teams can lose one match and still advance, which occasionally leads to cautious, risk-averse performances in the group stage. Managers must balance the desire to secure early qualification with the need to build momentum for the knockout rounds.

The financial implications of expansion are mixed. While CAF has increased prize money and broadcast revenue, the costs of hosting a 24-team tournament—requiring multiple stadiums, training facilities, and accommodation infrastructure—have risen substantially. Host nations must demonstrate significant organizational capacity, which may limit the pool of potential hosts to countries with established football infrastructure.

The AFCON expansion represents a calculated gamble that has largely paid off. Multiple champions in recent tournaments, the emergence of debutant nations reaching the knockout stages, and a tactical diversification that reflects the continent's growing football sophistication all suggest that the 24-team format has achieved its primary objectives. The tournament has become more inclusive without sacrificing competitive integrity, and the pathways for new champions have expanded in ways that the 16-team format could not accommodate.

The future of AFCON will likely see continued tactical evolution as more nations gain tournament experience. The relationship between tournament structure and playing style remains dynamic: as managers adapt to the expanded format, they will develop new strategies for squad rotation, pressing intensity, and knockout-phase preparation. For the broader context of African football history, the expansion era has already produced narratives that rival any period in the tournament's storied past.

For further reading on the evolution of international football competitions, explore our analysis of tournament history and the role of intercontinental cup history in shaping global football. The Olympic football tournament records also provide valuable context for understanding how tournament structures influence competitive outcomes across different levels of the sport.