The August 15, 2026, Osun governorship election may have been a contest for the Government House in Osogbo, but its political significance extends far beyond the state. In many respects, it served as an early test of the alliances, personalities, party structures and mobilisation strategies that could shape Nigeria’s 2027 general elections.
The election tested the strength of the ruling All Progressives Congress (APC), the staying power of Governor Ademola Adeleke, the prospects of smaller parties, the influence of former governors and political godfathers, and, perhaps most significantly, whether a candidate can win a statewide election largely on personal popularity and coalition-building rather than the established strength of a major political platform.
The Independent National Electoral Commission (INEC) declared Adeleke of the Accord Party the winner with 511,067 votes, ahead of the APC candidate, Bola Oyebamiji, who polled 444,815 votes. The African Democratic Congress (ADC) candidate, Najeem Salaam, came a distant third with 17,180 votes.
Adeleke did more than retain power. He substantially widened his electoral margin.
In 2022, he defeated the then incumbent, Gboyega Oyetola, by 28,344 votes, polling 403,371 votes against Oyetola’s 375,027. Four years later, his margin had risen to 66,252 votes—an increase of 133.7 per cent.
Adeleke’s personal vote also increased by 107,696, or 26.7 per cent, while the APC’s vote rose by 69,788, or 18.6 per cent. Both camps mobilised more voters, but Adeleke expanded his support at a faster rate.
The electorate itself grew considerably. Registered voters increased from 1,952,387 in 2022 to 2,339,544 in 2026, representing a 19.8 per cent increase. Accredited voters rose from 827,218 to 1,010,684, while total votes cast increased from 823,124 to 1,005,800.
Yet the accreditation rate changed only marginally, from 42.37 per cent to 43.20 per cent. The implication is important: the growth in participation was driven largely by an expanding electorate rather than a dramatic increase in the proportion of registered voters who turned out.
That distinction will matter in 2027. Osun now has a considerably larger voting population, but the election demonstrates that an increase in voter registration does not automatically translate into proportionately higher turnout. Parties seeking dominance in the state will therefore have to convert registration into actual participation through sustained grassroots mobilisation.
More than 20,000 ballots were rejected in 2026, compared with 18,674 in 2022, underscoring the continuing importance of voter education and proper ballot handling.
Who Were the Real Winners?
- Ademola Adeleke
The biggest winner is undoubtedly Adeleke.
His victory transformed what could have been a difficult re-election contest into a strong personal mandate. He won 19 of Osun’s 30 local government areas, while the APC won 11. In 2022, Adeleke won 17 LGAs to the APC’s 13.
His geographical spread therefore improved, while the APC’s contracted.
The depth of Adeleke’s victory was particularly evident in his traditional strongholds. He secured 35,427 votes in Ede North against the APC’s 10,283 and 26,188 against 6,219 in Ede South. In Osogbo, the state capital, he polled 36,480 votes against the APC’s 30,474.
He also recorded substantial margins in Ife East, Iwo, Egbedore and Oriade. The results indicate that his support was not confined to his political base in Ede.
More importantly, Adeleke achieved this under a party with virtually no established electoral history in Osun compared with the PDP and APC. Before the election, Accord had no members in the state House of Assembly and controlled no local government council.
The victory therefore strengthens the argument that, in Osun, candidate strength can overcome party-brand weakness when a candidate has access to an established political structure and broad alliances. - Accord Party
Accord also emerged as a major winner.
The party did not merely win the governorship; it did so with a candidate who had previously won the same office on another platform. The victory gives Accord its strongest political foothold in Osun and potentially turns it into an important bargaining platform ahead of 2027.
There is, however, an important qualification.
The result should not be interpreted as evidence that Accord has suddenly become more popular than APC or PDP across Nigeria. The 511,067 votes were largely a reflection of Adeleke’s personal electoral strength, the political structure that followed him, his grassroots network and the coalition assembled around his candidacy.
Whether Accord can retain that structure beyond Adeleke’s tenure is a different question. Its real test will come when it has to compete without an incumbent governor of Adeleke’s stature. - The PDP
The PDP presents one of the more unusual cases among the election’s winners.
Adeleke left the party, but much of the Osun PDP structure remained politically aligned with him. The state PDP leadership announced that its structures, from the polling-unit level to the state executive, would support his re-election under the Accord platform.
That enabled Adeleke to change parties without completely abandoning the grassroots network that helped deliver victory to him in 2022.
The numbers make the coalition particularly noteworthy. In the 2023 presidential election, the PDP candidate secured about 354,000 votes in Osun, while the APC candidate recorded about 343,000. In 2026, Adeleke alone crossed the 500,000-vote threshold.
The comparison is not a direct one because presidential and governorship elections involve different candidates, campaign dynamics and turnout patterns. Nevertheless, it illustrates the scale of Adeleke’s personal mobilisation relative to the major parties’ statewide presidential performances. - Davido
David Adeleke, popularly known as Davido, was another notable political beneficiary of the election.
His role went beyond appearing at campaign rallies. He became one of the most visible youth-oriented campaigners around Adeleke’s re-election bid, deploying his enormous social-media reach and public profile to mobilise support.
His political influence will likely attract greater attention ahead of 2027, particularly among politicians seeking to engage younger voters through entertainment and digital platforms.
But the broader lesson is not that celebrities can replace political structures. Rather, Osun demonstrates that celebrity influence can complement an established grassroots machine.
Davido could amplify the campaign, but more than half a million votes distributed across 19 LGAs cannot reasonably be attributed to celebrity visibility alone.
The Losers
- Bola Oyebamiji
The immediate loser is Bola Oyebamiji, although his defeat requires a more nuanced assessment than simply concluding that the APC performed poorly.
Oyebamiji secured 444,815 votes—nearly 70,000 more than Oyetola’s 2022 total. He also won 11 LGAs, including important APC strongholds such as Ilesa East, Boripe, Irepodun, Obokun, Irewole, Isokan, Ola-Oluwa, Ife South and Olorunda.
His problem was not a lack of electoral support. Rather, his support was not sufficiently broad to overcome Adeleke’s concentration of votes in more populous areas.
His biggest LGA victory came in Irewole, where he secured 29,972 votes against Adeleke’s 10,934. Adeleke, however, produced much larger margins in Ede North and Ede South, among other areas.
The election therefore illustrated the difference between holding strongholds and winning the statewide arithmetic.
Oyebamiji’s defeat does not necessarily mark the end of his political career. He increased the APC vote by nearly 19 per cent compared with 2022. The question is whether he can convert that performance into a durable political network or whether his candidacy will be remembered as another unsuccessful attempt to return the APC to Government House.
As of August 18, he had backed the APC’s review of the result while expressing respect for the electoral process. - Osun APC
The APC’s biggest problem is strategic rather than numerical.
The party increased its vote from 375,027 in 2022 to 444,815 in 2026. Yet its share of valid votes fell from 46.63 per cent to 45.17 per cent. Adeleke’s share moved in the opposite direction, rising from 50.13 per cent to 51.90 per cent.
In other words, the APC attracted more voters in absolute terms but became relatively weaker against the incumbent.
The party also lost ground in the LGA count, falling from 13 in 2022 to 11 in 2026.
That is significant because the APC entered the contest with the advantage of controlling the federal government and having prominent national and state-level figures campaigning for its candidate.
Its inability to translate that institutional advantage into victory will inevitably raise questions about its organisation, candidate selection, internal cohesion and grassroots strategy in Osun. - Gboyega Oyetola
Former governor Gboyega Oyetola also suffered a political setback.
Oyetola had a personal stake in the contest because he was the APC candidate Adeleke defeated in 2022. He subsequently backed Oyebamiji and remained one of the significant figures in the APC campaign.
The APC’s second consecutive defeat against Adeleke weakens the argument that Oyetola’s political machinery can reclaim Osun through essentially the same coalition.
The 2026 result is particularly significant because the APC did not simply reproduce its 2022 performance. Its candidate improved the party’s vote by almost 70,000, yet Adeleke’s winning margin more than doubled, from 28,344 to 66,252.
That suggests the APC’s central challenge was not merely turnout. It was its inability to attract enough of the expanded electorate to close the gap with Adeleke. - Rauf Aregbesola and the ADC
Former governor Rauf Aregbesola also emerged weaker, at least in terms of his attempt to establish the ADC as a serious third force in his home state.
Aregbesola, a former governor and national secretary of the ADC, backed Najeem Salaam. But Salaam finished a distant third with only 17,180 votes and failed to win a single LGA.
The figures are damaging to the argument that the ADC could immediately disrupt the traditional APC-PDP rivalry in Osun.
Its statewide vote amounted to about 1.74 per cent of valid votes, compared with roughly 51.9 per cent for Accord and 45.2 per cent for APC.
For the ADC to become a genuine statewide force by 2027, it will have to expand substantially beyond its current electoral base. - Olagunsoye Oyinlola and Iyiola Omisore
Former governor Olagunsoye Oyinlola and former deputy governor Iyiola Omisore also have reason to reassess the reach of their political influence.
Oyinlola supported Oyebamiji, while Omisore and his political network eventually aligned with the APC campaign. Yet reports indicated that Accord won the polling units associated with both Oyinlola and Omisore.
Such results cannot, by themselves, measure statewide political influence. But they carry considerable symbolic weight: prominent endorsements did not automatically translate into victory at the most local level.
What Osun Says About Tinubu and 2027
It would be an overstatement to describe the result as a personal defeat for President Bola Ahmed Tinubu. He was not on the ballot, and the election was fundamentally a contest between Adeleke and Oyebamiji.
Nevertheless, the APC’s failure to take Osun represents a setback for the party’s broader 2027 positioning in the state.
Oyebamiji presented himself as the APC candidate backed by Tinubu, while the party deployed national and state-level figures in the campaign. The result therefore gives opposition forces an important political argument going into 2027.
There is, however, another side to the numbers.
The APC’s 444,815 votes are significant. The party received nearly 70,000 more votes than it did in 2022. Osun should therefore not be interpreted as a state that has permanently rejected the APC.
Rather, the 2026 election points to a competitive two-party environment in which Adeleke currently commands the stronger coalition.
That makes Osun potentially important in 2027 rather than politically settled.
The most important lesson is that party labels can become less decisive when a popular incumbent succeeds in constructing a cross-party coalition.
Adeleke won in 2022 as a PDP candidate, left the party for Accord, retained the support of much of the state’s PDP structure and then secured a larger victory under his new platform.
That is a striking demonstration of candidate-centred politics.
At the same time, Osun does not offer a simple template for 2027. A presidential election will operate under a different political equation, shaped by national alliances, economic conditions, presidential approval, federal power and a broader field of competing interests.
The 2026 governorship election nevertheless offers a warning to all parties: a strong national structure cannot substitute for a popular candidate, an effective local organisation and a credible grassroots coalition.
There is also a broader lesson about electoral competition.
The Athena Election Observatory, whose comparative assessment was cited by Premium Times, argued that effective competition—including the deployment of party agents at polling units, independent result tracking and knowledge of electoral procedures—can strengthen electoral integrity.
With more than one million accredited voters and 3,763 polling units, serious parties needed extensive grassroots operations to monitor the process and protect their interests.
The Bigger Picture
The Osun election should therefore not be reduced to a simple contest between Adeleke and Oyebamiji.
It was simultaneously a referendum on incumbency, personality-driven politics, party structures, defections, grassroots mobilisation and the ability of political alliances to survive beyond traditional party lines.
Adeleke emerged considerably stronger. Accord acquired unexpected political relevance. The APC remained highly competitive but failed to cross the winning line. The ADC’s third-force experiment suffered a significant setback. And several established political figures were left with difficult questions about the reach of their influence.
With 2.34 million registered voters and a political landscape already being reorganised ahead of 2027, Osun has provided one of the clearest early indications of the kind of coalition politics that could shape Nigeria’s next general election.
The Last Word
Osun 2026 was not merely an election to choose a governor. It was an early test of the political machinery that will compete for Nigeria’s electorate in 2027.
For now, the clearest winner from that test is Ademola Adeleke.
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